Advanced

Tutor model

i62 💰:9.4

i52 💰:7.9

🏆 i67 💰:62.5

i70 💰:125.0

i68 💰:125.0

🏆 i66 💰:75.0

i65 💰:125.0

i63 💰:62.5

i61 💰:75.0

i60 💰:9.4

i60 💰:37.5

i58 💰:62.5

i57 💰:22.5

i57 💰:37.5

i56 💰:45.0

⚡ i55 💰:11.25

i55 💰:37.5

i54 💰:62.5

i52 💰:35.0

i51 💰:37.5

i49 💰:15.0

i49 💰:62.5

i48 💰:11.3

i47 💰:7.5

i44 💰:25.0

i43 💰:37.5

i42 💰:187.5

i40 💰:5.0

i39 💰:100.0

i38 💰:37.5

i37 💰:11.0

i36 💰:187.5

i34 💰:12.5

i33 💰:37.5

i30 💰:1.0

i29 💰:1.5

i28 💰:150.0

i23 💰:20.0

i20 💰:4.0

i18 💰:1.0

i16 💰:25.0

i13 💰:1.5

Keep session private

What would you like to learn?

Override for the tutor's lesson content generation calls. Auto uses the system default (Claude Sonnet 5 for lesson text, Opus 5 for diagrams).

Lesson generation model

System default

i58 💰:18.8

i31 💰:11.0

i25 💰:31.3

Tutoring abilities

Imagine you want to paint a portrait, write a five-page adventure story, and record your own song.

Do you need heavy jars of paint, stacks of paper, and a giant microphone setup?

With modern technology, you can do all three using just one tablet or computer.

A **physical tool** is an object you hold in your hands in real life, like wooden pencils, scissors, or paper notebooks.

A **digital tool** is an electronic device or program that lets you make, edit, and share things on a screen.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <title>Digital Tools: Make, Edit, Share</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      user-select: none;
    }

    body {
      background: #f8f9fa;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
      padding: 16px;
    }

    .app-frame {
      width: 100%;
      max-width: 440px;
      display: flex;
      flex-direction: column;
      gap: 14px;
      align-items: center;
    }

    /* Tabs / Step Navigation */
    .nav-tabs {
      display: flex;
      width: 100%;
      gap: 8px;
    }

    .tab-btn {
      flex: 1;
      padding: 10px 6px;
      border: 2px solid #e2e8f0;
      background: #ffffff;
      border-radius: 10px;
      font-size: 15px;
      font-weight: 700;
      color: #64748b;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
    }

    .tab-btn.active {
      border-color: #22b7ff;
      background: #f0f9ff;
      color: #0284c7;
      box-shadow: 0 2px 8px rgba(34, 183, 255, 0.2);
    }

    /* Screen Stage */
    .device-screen {
      width: 100%;
      height: 230px;
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: 16px;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
    }

    /* Step Scenes (Stacked Absolutely) */
    .scene {
      position: absolute;
      inset: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.35s ease;
    }

    .scene.active {
      opacity: 1;
      pointer-events: auto;
    }

    /* Visual Elements */
    .icon-stage {
      font-size: 68px;
      line-height: 1;
      margin-bottom: 12px;
      position: relative;
    }

    .badge-label {
      font-size: 16px;
      font-weight: 800;
      letter-spacing: 0.5px;
      color: #0f172a;
      background: #f1f5f9;
      padding: 6px 16px;
      border-radius: 20px;
      border: 1px solid #cbd5e1;
    }

    /* Sub-elements for Make / Edit / Share */
    .edit-tools {
      display: flex;
      gap: 12px;
      margin-top: 8px;
    }

    .tool-dot {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      border: 2px solid #ffffff;
      box-shadow: 0 2px 4px rgba(0,0,0,0.15);
    }

    .share-nodes {
      display: flex;
      gap: 16px;
      font-size: 26px;
      margin-top: 8px;
      color: #22b7ff;
    }

    /* Stepper Controls */
    .stepper-controls {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      padding: 0 4px;
    }

    .ctrl-btn {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 8px;
      padding: 6px 14px;
      font-size: 14px;
      font-weight: 600;
      color: #334155;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .ctrl-btn:active {
      background: #f1f5f9;
    }

    .dots-container {
      display: flex;
      gap: 8px;
    }

    .dot-btn {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #cbd5e1;
      border: none;
      cursor: pointer;
      padding: 0;
      transition: background-color 0.25s ease, transform 0.2s ease;
    }

    .dot-btn.active {
      background: #22b7ff;
      transform: scale(1.25);
    }
  </style>
</head>
<body>

  <div class="app-frame">
    
    <div class="nav-tabs" role="tablist">
      <button class="tab-btn active" id="tab-0" onclick="setStep(0)" role="tab" aria-selected="true">
        <span>🎨</span> Make
      </button>
      <button class="tab-btn" id="tab-1" onclick="setStep(1)" role="tab" aria-selected="false">
        <span>✏️</span> Edit
      </button>
      <button class="tab-btn" id="tab-2" onclick="setStep(2)" role="tab" aria-selected="false">
        <span>🚀</span> Share
      </button>
    </div>

    
    <div class="device-screen">
      
      <div class="scene active" id="scene-0">
        <div class="icon-stage">🎨</div>
        <div class="badge-label">1. Create New</div>
      </div>

      
      <div class="scene" id="scene-1">
        <div class="icon-stage">✨🖼️</div>
        <div class="badge-label">2. Change &amp; Fix</div>
        <div class="edit-tools">
          <div class="tool-dot" style="background:#22b7ff;"></div>
          <div class="tool-dot" style="background:#10b981;"></div>
          <div class="tool-dot" style="background:#f59e0b;"></div>
          <div class="tool-dot" style="background:#8b5cf6;"></div>
        </div>
      </div>

      
      <div class="scene" id="scene-2">
        <div class="icon-stage">📡</div>
        <div class="badge-label">3. Send &amp; Show</div>
        <div class="share-nodes">
          <span>💻</span>
          <span>➜</span>
          <span>📱</span>
          <span>➜</span>
          <span>☁️</span>
        </div>
      </div>
    </div>

    
    <div class="stepper-controls">
      <button class="ctrl-btn" onclick="prevStep()">◀ Back</button>
      
      <div class="dots-container">
        <button class="dot-btn active" id="dot-0" onclick="setStep(0)" aria-label="Step 1"></button>
        <button class="dot-btn" id="dot-1" onclick="setStep(1)" aria-label="Step 2"></button>
        <button class="dot-btn" id="dot-2" onclick="setStep(2)" aria-label="Step 3"></button>
      </div>

      <button class="ctrl-btn" onclick="nextStep()">Next ▶</button>
    </div>
  </div>

  <script>
    let currentStep = 0;
    const totalSteps = 3;
    let autoPlayTimer = null;

    function updateView() {
      for (let i = 0; i < totalSteps; i++) {
        const isActive = i === currentStep;
        
        // Update Tabs
        const tab = document.getElementById(`tab-${i}`);
        tab.classList.toggle('active', isActive);
        tab.setAttribute('aria-selected', isActive ? 'true' : 'false');
        
        // Update Scenes
        const scene = document.getElementById(`scene-${i}`);
        scene.classList.toggle('active', isActive);

        // Update Dots
        const dot = document.getElementById(`dot-${i}`);
        dot.classList.toggle('active', isActive);
      }
    }

    function setStep(index) {
      currentStep = index;
      updateView();
      restartTimer();
    }

    function nextStep() {
      currentStep = (currentStep + 1) % totalSteps;
      updateView();
      restartTimer();
    }

    function prevStep() {
      currentStep = (currentStep - 1 + totalSteps) % totalSteps;
      updateView();
      restartTimer();
    }

    function restartTimer() {
      clearInterval(autoPlayTimer);
      autoPlayTimer = setInterval(() => {
        currentStep = (currentStep + 1) % totalSteps;
        updateView();
      }, 3500);
    }

    // Initialize auto-play
    restartTimer();
  </script>
</body>
</html>

Inside your electronic devices, you use special software to build these projects.

An **application** (or **app** for short) is a computer program designed to do a specific job or help you create something.

Just like a kitchen has a toaster for bread and a blender for smoothies, your device has different apps for different creative projects.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    }

    body {
      background-color: #f8f9fa;
      color: #1e2945;
      padding: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
    }

    .toolbar {
      display: flex;
      gap: 8px;
      width: 100%;
      max-width: 480px;
      justify-content: center;
      margin-bottom: 12px;
      flex-wrap: wrap;
    }

    .tool-btn {
      flex: 1;
      min-width: 90px;
      padding: 8px 10px;
      background: #ffffff;
      border: 1px solid #e6e6e6;
      border-radius: 10px;
      font-size: 13px;
      font-weight: 600;
      color: #6b7280;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      transition: background 0.2s, color 0.2s, box-shadow 0.2s;
      user-select: none;
    }

    .tool-btn.active {
      background: #ffffff;
      color: #0284c7;
      box-shadow: 0 0 0 2px #22b7ff;
      border-color: #22b7ff;
    }

    .display-area {
      position: relative;
      width: 100%;
      max-width: 480px;
      height: 220px;
      background: #ffffff;
      border: 1px solid #e6e6e6;
      border-radius: 12px;
      overflow: hidden;
    }

    .scene {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-around;
      padding: 16px;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }

    .scene.active {
      opacity: 1;
      pointer-events: auto;
    }

    .stage-box {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      width: 30%;
    }

    .icon-tile {
      width: 60px;
      height: 60px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      margin-bottom: 8px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    }

    .flow-arrow {
      font-size: 20px;
      color: #94a3b8;
      font-weight: bold;
      user-select: none;
    }

    .label {
      font-size: 13px;
      font-weight: 600;
      color: #1e2945;
      line-height: 1.2;
    }

    .tag {
      font-size: 11px;
      font-weight: 600;
      color: #6b7280;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 4px;
    }

    /* Category Themes */
    .theme-paint .icon-tile.goal { background: #fef2f2; }
    .theme-paint .icon-tile.app { background: #e0f2fe; border: 2px solid #38bdf8; }
    .theme-paint .icon-tile.output { background: #fff1f2; }

    .theme-write .icon-tile.goal { background: #fdf4ff; }
    .theme-write .icon-tile.app { background: #eff6ff; border: 2px solid #60a5fa; }
    .theme-write .icon-tile.output { background: #f0fdf4; }

    .theme-audio .icon-tile.goal { background: #fffbeb; }
    .theme-audio .icon-tile.app { background: #f5f3ff; border: 2px solid #a78bfa; }
    .theme-audio .icon-tile.output { background: #faf5ff; }

    .theme-video .icon-tile.goal { background: #ecfdf5; }
    .theme-video .icon-tile.app { background: #fef2f2; border: 2px solid #f87171; }
    .theme-video .icon-tile.output { background: #fefce8; }

    .controls {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      margin-top: 12px;
    }

    .ctrl-btn {
      background: #ffffff;
      border: 1px solid #e6e6e6;
      border-radius: 8px;
      padding: 4px 12px;
      font-size: 14px;
      cursor: pointer;
      color: #1e2945;
      font-weight: 600;
    }

    .ctrl-btn:active {
      background: #f1f5f9;
    }

    .dots {
      display: flex;
      gap: 6px;
    }

    .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #cbd5e1;
      cursor: pointer;
      transition: background 0.2s;
    }

    .dot.active {
      background: #22b7ff;
    }
  </style>
</head>
<body>

  <div class="toolbar">
    <button class="tool-btn active" data-index="0">🎨 Paint</button>
    <button class="tool-btn" data-index="1">📝 Write</button>
    <button class="tool-btn" data-index="2">🎵 Audio</button>
    <button class="tool-btn" data-index="3">🎬 Video</button>
  </div>

  <div class="display-area">
    
    <div class="scene theme-paint active" id="scene-0">
      <div class="stage-box">
        <span class="tag">Goal</span>
        <div class="icon-tile goal">💡</div>
        <div class="label">Make Art</div>
      </div>
      <div class="flow-arrow">→</div>
      <div class="stage-box">
        <span class="tag">Tool</span>
        <div class="icon-tile app">🎨</div>
        <div class="label">Drawing<br>App</div>
      </div>
      <div class="flow-arrow">→</div>
      <div class="stage-box">
        <span class="tag">Result</span>
        <div class="icon-tile output">🖼️</div>
        <div class="label">Digital<br>Picture</div>
      </div>
    </div>

    
    <div class="scene theme-write" id="scene-1">
      <div class="stage-box">
        <span class="tag">Goal</span>
        <div class="icon-tile goal">💭</div>
        <div class="label">Tell a Story</div>
      </div>
      <div class="flow-arrow">→</div>
      <div class="stage-box">
        <span class="tag">Tool</span>
        <div class="icon-tile app">📝</div>
        <div class="label">Word<br>Processor</div>
      </div>
      <div class="flow-arrow">→</div>
      <div class="stage-box">
        <span class="tag">Result</span>
        <div class="icon-tile output">📄</div>
        <div class="label">Typed<br>Document</div>
      </div>
    </div>

    
    <div class="scene theme-audio" id="scene-2">
      <div class="stage-box">
        <span class="tag">Goal</span>
        <div class="icon-tile goal">🎙️</div>
        <div class="label">Record Sound</div>
      </div>
      <div class="flow-arrow">→</div>
      <div class="stage-box">
        <span class="tag">Tool</span>
        <div class="icon-tile app">🎛️</div>
        <div class="label">Audio<br>Editor</div>
      </div>
      <div class="flow-arrow">→</div>
      <div class="stage-box">
        <span class="tag">Result</span>
        <div class="icon-tile output">🎵</div>
        <div class="label">Song Track</div>
      </div>
    </div>

    
    <div class="scene theme-video" id="scene-3">
      <div class="stage-box">
        <span class="tag">Goal</span>
        <div class="icon-tile goal">📸</div>
        <div class="label">Combine Clips</div>
      </div>
      <div class="flow-arrow">→</div>
      <div class="stage-box">
        <span class="tag">Tool</span>
        <div class="icon-tile app">🎬</div>
        <div class="label">Video<br>Editor</div>
      </div>
      <div class="flow-arrow">→</div>
      <div class="stage-box">
        <span class="tag">Result</span>
        <div class="icon-tile output">📽️</div>
        <div class="label">Final<br>Movie</div>
      </div>
    </div>
  </div>

  <div class="controls">
    <button class="ctrl-btn" id="playBtn">⏸</button>
    <div class="dots">
      <div class="dot active" data-index="0"></div>
      <div class="dot" data-index="1"></div>
      <div class="dot" data-index="2"></div>
      <div class="dot" data-index="3"></div>
    </div>
  </div>

  <script>
    let currentIndex = 0;
    let isPlaying = true;
    let timer = null;

    const scenes = document.querySelectorAll('.scene');
    const toolBtns = document.querySelectorAll('.tool-btn');
    const dots = document.querySelectorAll('.dot');
    const playBtn = document.getElementById('playBtn');

    function showIndex(index) {
      currentIndex = index;
      scenes.forEach((scene, i) => {
        scene.classList.toggle('active', i === index);
      });
      toolBtns.forEach((btn, i) => {
        btn.classList.toggle('active', i === index);
      });
      dots.forEach((dot, i) => {
        dot.classList.toggle('active', i === index);
      });
    }

    function nextStep() {
      const next = (currentIndex + 1) % scenes.length;
      showIndex(next);
    }

    function startTimer() {
      stopTimer();
      timer = setInterval(nextStep, 3200);
      isPlaying = true;
      playBtn.textContent = '⏸';
    }

    function stopTimer() {
      if (timer) clearInterval(timer);
      isPlaying = false;
      playBtn.textContent = '▶';
    }

    toolBtns.forEach((btn) => {
      btn.addEventListener('click', () => {
        const idx = parseInt(btn.dataset.index, 10);
        showIndex(idx);
        startTimer();
      });
    });

    dots.forEach((dot) => {
      dot.addEventListener('click', () => {
        const idx = parseInt(dot.dataset.index, 10);
        showIndex(idx);
        startTimer();
      });
    });

    playBtn.addEventListener('click', () => {
      if (isPlaying) {
        stopTimer();
      } else {
        startTimer();
      }
    });

    startTimer();
  </script>
</body>
</html>

So which app should you choose when you have an idea in your head?

**Drawing and painting apps** give you virtual brushes, stamps, and endless colors to create digital illustrations and posters.

**Word processing apps** let you type words, fix spelling mistakes, and style fonts to write stories, poems, and book reports.

**Audio recording apps** capture your voice and sounds through a microphone so you can create podcasts, audiobooks, and songs.

**Presentation apps** let you combine text, pictures, and voice recordings onto digital slides to share facts with your class.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <title>Presentation App</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    }

    body {
      background: #f8f9fa;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      min-height: 100%;
      padding: 12px;
      gap: 10px;
    }

    /* Controls bar */
    .controls {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      justify-content: center;
      width: 100%;
      max-width: 480px;
    }

    .step-btn {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: 20px;
      padding: 6px 12px;
      font-size: 13px;
      font-weight: 600;
      color: #64748b;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 5px;
      transition: all 0.25s ease;
      box-shadow: 0 1px 2px rgba(0,0,0,0.04);
    }

    .step-btn.active {
      background: #22b7ff;
      border-color: #22b7ff;
      color: #ffffff;
      box-shadow: 0 2px 8px rgba(34, 183, 255, 0.35);
    }

    /* Main presentation workspace */
    .app-window {
      width: 100%;
      max-width: 480px;
      background: #ffffff;
      border-radius: 12px;
      border: 1px solid #e2e8f0;
      box-shadow: 0 4px 16px rgba(0,0,0,0.06);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      aspect-ratio: 16 / 10;
    }

    .window-header {
      background: #f1f5f9;
      padding: 8px 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid #e2e8f0;
    }

    .window-dots {
      display: flex;
      gap: 5px;
    }

    .win-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #cbd5e1;
    }

    .window-title {
      font-size: 12px;
      font-weight: 600;
      color: #64748b;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .slide-canvas {
      flex: 1;
      padding: 12px;
      position: relative;
      background: #ffffff;
      display: grid;
      grid-template-columns: 1fr 1fr;
      grid-template-rows: auto 1fr auto;
      gap: 8px;
    }

    /* Slide Elements */
    .slide-item {
      opacity: 0.15;
      transform: scale(0.96);
      transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      border-radius: 8px;
    }

    .slide-item.active {
      opacity: 1;
      transform: scale(1);
    }

    /* 1. Text Title & Bullet */
    .item-text {
      grid-column: 1 / -1;
      background: #eff6ff;
      border: 1.5px dashed #93c5fd;
      padding: 8px 12px;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .slide-item.active.item-text {
      border-style: solid;
      border-color: #22b7ff;
    }

    .text-title {
      font-size: 15px;
      font-weight: 700;
      color: #1e2945;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .text-bullet {
      font-size: 12px;
      color: #475569;
    }

    /* 2. Image Box */
    .item-image {
      background: #fdf4ff;
      border: 1.5px dashed #f0abfc;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 8px;
      text-align: center;
      gap: 4px;
    }

    .slide-item.active.item-image {
      border-style: solid;
      border-color: #c084fc;
    }

    .image-preview {
      font-size: 28px;
      line-height: 1;
    }

    .item-label {
      font-size: 11px;
      font-weight: 600;
      color: #64748b;
    }

    /* 3. Audio / Voice Box */
    .item-audio {
      background: #ecfdf5;
      border: 1.5px dashed #6ee7b7;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 8px;
      text-align: center;
      gap: 4px;
    }

    .slide-item.active.item-audio {
      border-style: solid;
      border-color: #34d399;
    }

    .audio-waves {
      display: flex;
      align-items: center;
      gap: 3px;
      height: 24px;
    }

    .wave-bar {
      width: 3px;
      background: #10b981;
      border-radius: 3px;
      height: 6px;
      transition: height 0.25s ease;
    }

    .slide-item.active .wave-bar {
      animation: wave 1s ease-in-out infinite alternate;
    }

    .slide-item.active .wave-bar:nth-child(2) { animation-delay: 0.15s; height: 18px; }
    .slide-item.active .wave-bar:nth-child(3) { animation-delay: 0.3s; height: 22px; }
    .slide-item.active .wave-bar:nth-child(4) { animation-delay: 0.45s; height: 14px; }
    .slide-item.active .wave-bar:nth-child(5) { animation-delay: 0.2s; height: 10px; }

    @keyframes wave {
      0% { height: 6px; }
      100% { height: 22px; }
    }

    /* Share Banner at bottom */
    .item-share {
      grid-column: 1 / -1;
      background: #e0f2fe;
      border-radius: 6px;
      padding: 4px 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      font-size: 11px;
      font-weight: 700;
      color: #0284c7;
      border: 1px solid #bae6fd;
    }

    /* Playback bar */
    .play-controls {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .play-btn {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 13px;
      color: #1e2945;
      box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    }
  </style>
</head>
<body>

  
  <div class="controls">
    <button class="step-btn active" onclick="setStep(0)">📝 Text</button>
    <button class="step-btn" onclick="setStep(1)">🖼️ Picture</button>
    <button class="step-btn" onclick="setStep(2)">🎙️ Voice</button>
    <button class="step-btn" onclick="setStep(3)">✨ Ready to Share</button>
  </div>

  
  <div class="app-window">
    <div class="window-header">
      <div class="window-dots">
        <span class="win-dot"></span>
        <span class="win-dot"></span>
        <span class="win-dot"></span>
      </div>
      <div class="window-title">💻 Digital Slide</div>
      <div style="width: 28px;"></div>
    </div>

    <div class="slide-canvas">
      
      <div class="slide-item item-text active" id="elem-text">
        <div class="text-title">🪐 The Solar System</div>
        <div class="text-bullet">Fact: 8 planets orbit the Sun.</div>
      </div>

      
      <div class="slide-item item-image" id="elem-image">
        <div class="image-preview">🪐</div>
        <div class="item-label">Picture</div>
      </div>

      
      <div class="slide-item item-audio" id="elem-audio">
        <div class="audio-waves">
          <div class="wave-bar"></div>
          <div class="wave-bar"></div>
          <div class="wave-bar"></div>
          <div class="wave-bar"></div>
          <div class="wave-bar"></div>
        </div>
        <div class="item-label">Voice Recording</div>
      </div>

      
      <div class="slide-item item-share" id="elem-share" style="opacity: 0;">
        <span>📢 Present to Class</span>
      </div>
    </div>
  </div>

  
  <div class="play-controls">
    <button class="play-btn" id="playBtn" onclick="togglePlay()" aria-label="Play/Pause">⏸</button>
  </div>

  <script>
    let currentStep = 0;
    let isPlaying = true;
    let timer = null;

    const btns = document.querySelectorAll('.step-btn');
    const elemText = document.getElementById('elem-text');
    const elemImg = document.getElementById('elem-image');
    const elemAudio = document.getElementById('elem-audio');
    const elemShare = document.getElementById('elem-share');
    const playBtn = document.getElementById('playBtn');

    function updateView() {
      btns.forEach((b, i) => b.classList.toggle('active', i === currentStep));

      elemText.classList.toggle('active', currentStep >= 0);
      elemImg.classList.toggle('active', currentStep >= 1);
      elemAudio.classList.toggle('active', currentStep >= 2);
      
      if (currentStep === 3) {
        elemShare.classList.add('active');
        elemShare.style.opacity = '1';
      } else {
        elemShare.classList.remove('active');
        elemShare.style.opacity = '0';
      }
    }

    function setStep(index) {
      currentStep = index;
      updateView();
      if (isPlaying) {
        resetTimer();
      }
    }

    function nextStep() {
      currentStep = (currentStep + 1) % 4;
      updateView();
    }

    function resetTimer() {
      if (timer) clearInterval(timer);
      if (isPlaying) {
        timer = setInterval(nextStep, 3000);
      }
    }

    function togglePlay() {
      isPlaying = !isPlaying;
      playBtn.textContent = isPlaying ? '⏸' : '▶';
      if (isPlaying) {
        nextStep();
        resetTimer();
      } else {
        if (timer) clearInterval(timer);
      }
    }

    // Initialize
    updateView();
    resetTimer();
  </script>
</body>
</html>

What happens when your teacher asks you to share a research project with the whole class?

Let's say Leo wants to teach his class about sea turtles using pictures, titles, and a bulleted list of fun facts.

If Leo only uses an audio recording app, his classmates will hear his voice, but they will not see any photos.

Instead, Leo picks a **presentation app** because it lets him place turtle photos, typed facts, and bold titles together on bright slides.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <title>Presentation App</title>
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background-color: #f8f9fa;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
      padding: 12px;
      user-select: none;
    }
    .workspace {
      width: 100%;
      max-width: 460px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      align-items: center;
    }
    .slide-canvas {
      width: 100%;
      aspect-ratio: 16 / 10;
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-rows: auto 1fr;
      padding: 14px;
      gap: 10px;
    }
    .slide-title-slot {
      background: #eff6ff;
      border: 1.5px dashed #93c5fd;
      border-radius: 8px;
      padding: 6px 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      font-weight: 700;
      font-size: 15px;
      color: #1d4ed8;
      opacity: 0.25;
      transform: translateY(-6px);
      transition: all 0.35s ease;
    }
    .slide-body {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 10px;
      height: 100%;
    }
    .slide-photo-slot {
      background: #ecfdf5;
      border: 1.5px dashed #a7f3d0;
      border-radius: 8px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
      font-size: 28px;
      color: #047857;
      opacity: 0.25;
      transform: scale(0.92);
      transition: all 0.35s ease;
    }
    .photo-label {
      font-size: 12px;
      font-weight: 600;
    }
    .slide-facts-slot {
      background: #fefce8;
      border: 1.5px dashed #fde047;
      border-radius: 8px;
      padding: 10px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      color: #a16207;
      opacity: 0.25;
      transform: translateY(6px);
      transition: all 0.35s ease;
    }
    .fact-line {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* Active States */
    .show-title .slide-title-slot {
      opacity: 1;
      transform: translateY(0);
      border-style: solid;
      border-color: #3b82f6;
      box-shadow: 0 2px 6px rgba(59, 130, 246, 0.15);
    }
    .show-photo .slide-photo-slot {
      opacity: 1;
      transform: scale(1);
      border-style: solid;
      border-color: #10b981;
      box-shadow: 0 2px 6px rgba(16, 185, 129, 0.15);
    }
    .show-facts .slide-facts-slot {
      opacity: 1;
      transform: translateY(0);
      border-style: solid;
      border-color: #eab308;
      box-shadow: 0 2px 6px rgba(234, 179, 8, 0.15);
    }

    /* Controls */
    .controls-row {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      width: 100%;
      flex-wrap: wrap;
    }
    .btn-step {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 20px;
      padding: 6px 12px;
      font-size: 13px;
      font-weight: 600;
      color: #64748b;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 5px;
      transition: all 0.2s ease;
    }
    .btn-step:hover {
      border-color: #cbd5e1;
      color: #1e2945;
    }
    .btn-step.active {
      background: #22b7ff;
      border-color: #22b7ff;
      color: #ffffff;
      box-shadow: 0 2px 8px rgba(34, 183, 255, 0.35);
    }
    .btn-play {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 50%;
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      color: #64748b;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .btn-play:hover {
      border-color: #cbd5e1;
      color: #1e2945;
    }
  </style>
</head>
<body>

<div class="workspace">
  
  <div id="slide" class="slide-canvas show-title">
    <div class="slide-title-slot">
      <span>🏷️</span>
      <span>Sea Turtles</span>
    </div>
    <div class="slide-body">
      <div class="slide-photo-slot">
        <span>🐢</span>
        <span class="photo-label">Photo</span>
      </div>
      <div class="slide-facts-slot">
        <div class="fact-line"><span>✦</span> <span>Ocean habitat</span></div>
        <div class="fact-line"><span>✦</span> <span>Lays eggs on sand</span></div>
      </div>
    </div>
  </div>

  
  <div class="controls-row">
    <button class="btn-step active" data-step="0">🏷️ Title</button>
    <button class="btn-step" data-step="1">🐢 Photo</button>
    <button class="btn-step" data-step="2">📝 Facts</button>
    <button class="btn-step" data-step="3">✨ Slide</button>
    <button id="playBtn" class="btn-play" aria-label="Toggle auto-play">⏸</button>
  </div>
</div>

<script src="{{VENDOR_CDN}}/classace-diagram.js"></script>
<script>
  const slide = $('#slide');
  const buttons = $$('.btn-step');
  const playBtn = $('#playBtn');

  const states = [
    'show-title',
    'show-photo',
    'show-facts',
    'show-title show-photo show-facts'
  ];

  function applyStep(index) {
    slide.className = 'slide-canvas ' + states[index];
    buttons.forEach((btn, i) => {
      btn.classList.toggle('active', i === index);
    });
  }

  const player = new StepPlayer(buttons, {
    interval: 3000,
    onChange: (index) => applyStep(index)
  });

  buttons.forEach((btn, idx) => {
    onTap(btn, () => {
      player.goTo(idx);
    });
  });

  onTap(playBtn, () => {
    player.toggle();
    playBtn.textContent = player.playing ? '⏸' : '▶';
  });

  player.start();
</script>

</body>
</html>

A common mistake is thinking you can only use one app at a time for a big project.

You can actually draw a character in a painting app, save it, and insert that picture into your word processor or slide show!

Look at the device in front of you right now — which creative app are you excited to open first?

- A digital device is an electronic tool (such as a tablet, laptop, or desktop computer) that processes information using hardware and software to help us communicate, learn, and create.

- Hardware refers to the physical parts of a computer system that you can touch, including input devices (keyboard, mouse, touchscreen, microphone) that send instructions into the device, and output devices (monitor/screen, printer, speakers) that display or play information.

- Software and applications (apps) are sets of digital instructions and programs running on hardware that allow users to perform specific creative tasks.

- Digital tools can be categorized by the type of content they create: word processing tools create text and stories, digital painting/drawing tools create illustrations, audio/recording tools capture voice and sound, and presentation tools combine text, pictures, and audio to share ideas.

- Selecting the right digital tool depends on the creative goal: for example, using a paint program for visual artwork, a word processor for a typed report, or a voice recorder to capture an oral poem.

technology

What Are Digital Tools and Applications?. Identify a variety of digital tools and applications and explain what each can be used to create.

How Can Computers Help You Learn and Create? (KS1 Computing)

Digital Citizenship & Creation Tools for Grades K-2

Creating Media: Digital Painting & Digital Writing for Key Stage 1

When teaching 2nd graders about digital tools under TEKS 126.3(b)(10)(A)-(B), anchor abstract software concepts to physical real-world analogs (e.g., comparing a word processor to a notebook and pencil, or a digital canvas to paper and paint). Incorporate hands-on 'Tool Exploration Stations' where students rotate between creating a short voice recording, drawing a digital shape, and typing their name on a keyboard. Emphasize the distinction between consuming technology (watching/playing) and purposeful digital authoring (creating original artifacts).

What Are Digital Tools and Applications?

Physical Tools vs. Digital Tools

What Is an Application?