PointByPoint/scientific.html at main · ExyoOmar/PointByPoint · GitHub

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<!DOCTYPE html>
<html lang="ar" dir="rtl">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>الآلة الحاسبة العلمية</title>
  <link rel="manifest" href="/manifest.json" />
  <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjs/10.0.1/math.js"></script>
  <link href="https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css" rel="stylesheet"/>
  <style>
    :root {
      --main-bg: #f0f4f8;
      --text-color: #1f2937;
      --btn-bg: #f3f4f6;
      --btn-hover-bg: #60a5fa;
      --btn-active-bg: #2563eb;
      --display-bg: #f9fafb;
      --display-color: #1f2937;
    }
    body {
      font-family: 'Cairo', sans-serif;
      background-color: var(--main-bg);
      transition: background-color 0.3s ease, color 0.3s ease;
    }
    .dark-mode {
      background-color: #1f2937;
      color: #f9fafb;
    }
    .dark-mode .bg-white {
      background-color: #374151 !important;
    }
    .dark-mode .text-blue-700 {
      color: #60a5fa !important;
    }
    .dark-mode .text-gray-500 {
      color: #d1d5db;
    }
    .dark-mode textarea,
    .dark-mode .border {
      background-color: #4b5563;
      color: white;
    }
    .dark-mode footer {
      color: #9ca3af;
    }
    .calculator-button {
      background-color: var(--btn-bg);
      border: 1px solid #e5e7eb;
      color: var(--text-color);
      font-size: 1.5rem;
      padding: 1.5rem;
      width: 80px;
      height: 80px;
      border-radius: 12px;
      transition: all 0.3s ease;
    }
    .calculator-button:hover {
      background-color: var(--btn-hover-bg);
      color: white;
      cursor: pointer;
    }
    .calculator-button:active {
      background-color: var(--btn-active-bg);
    }
    .calculator-button:disabled {
      background-color: #d1d5db;
      cursor: not-allowed;
    }
    .display {
      background-color: var(--display-bg);
      border: 1px solid #e5e7eb;
      font-size: 2.5rem;
      padding: 1.5rem;
      width: 100%;
      text-align: right;
      border-radius: 12px;
      margin-bottom: 1rem;
      color: var(--display-color);
    }
    footer {
      font-size: 0.85rem;
      text-align: center;
      margin-top: 2rem;
      color: #6b7280;
    }
    .header-button {
      font-size: 1rem;
      color: var(--text-color);
      padding: 0.75rem 1.5rem;
      background-color: #e5e7eb;
      border: none;
      border-radius: 6px;
      transition: all 0.3s ease;
    }
    .header-button:hover {
      background-color: var(--btn-hover-bg);
      color: white;
    }
    .header-button:active {
      background-color: var(--btn-active-bg);
    }
  </style>
</head>
<body class="text-right p-6">
  <div class="max-w-3xl mx-auto bg-white rounded-2xl shadow-lg p-6 space-y-6">
    <div class="flex justify-between items-center">
      <h1 class="text-3xl font-bold text-blue-700">الآلة الحاسبة العلمية</h1>
      <button onclick="toggleDarkMode()" class="header-button">
        🌓 وضع الليل
      </button>
    </div>

    <div class="bg-blue-50 p-4 rounded-lg text-sm leading-relaxed text-gray-800">
      <h2 class="text-lg font-semibold text-blue-700 mb-2">نبذة عن الآلة الحاسبة</h2>
      <p>
        هذه الآلة الحاسبة العلمية تساعدك على إجراء العمليات الرياضية المعقدة مثل الجذور والدوال المثلثية وغيرها.
      </p>
    </div>

    <div class="display" id="display">0</div>

    <div class="grid grid-cols-4 gap-6 mt-6">
      <button class="calculator-button" onclick="appendToDisplay('7')">٧</button>
      <button class="calculator-button" onclick="appendToDisplay('8')">٨</button>
      <button class="calculator-button" onclick="appendToDisplay('9')">٩</button>
      <button class="calculator-button" onclick="appendToDisplay('/')">/</button>

      <button class="calculator-button" onclick="appendToDisplay('4')">٤</button>
      <button class="calculator-button" onclick="appendToDisplay('5')">٥</button>
      <button class="calculator-button" onclick="appendToDisplay('6')">٦</button>
      <button class="calculator-button" onclick="appendToDisplay('*')">*</button>

      <button class="calculator-button" onclick="appendToDisplay('1')">١</button>
      <button class="calculator-button" onclick="appendToDisplay('2')">٢</button>
      <button class="calculator-button" onclick="appendToDisplay('3')">٣</button>
      <button class="calculator-button" onclick="appendToDisplay('-')">-</button>

      <button class="calculator-button" onclick="appendToDisplay('0')">٠</button>
      <button class="calculator-button" onclick="appendToDisplay('.')">.</button>
      <button class="calculator-button" onclick="appendToDisplay('(')">(</button>
      <button class="calculator-button" onclick="appendToDisplay(')')">)</button>
    </div>

    <div class="grid grid-cols-4 gap-6 mt-6">
      <button class="calculator-button" onclick="appendToDisplay('sin(')">جا</button>
      <button class="calculator-button" onclick="appendToDisplay('cos(')">جتا</button>
      <button class="calculator-button" onclick="appendToDisplay('tan(')">ظل</button>
      <button class="calculator-button" onclick="clearDisplay()">C</button>

      <button class="calculator-button" onclick="appendToDisplay('sqrt(')">جذر</button>
      <button class="calculator-button" onclick="appendToDisplay('^')">^</button>
      <button class="calculator-button" onclick="calculate()">=</button>
      <button class="calculator-button" onclick="appendToDisplay('+')">+</button>
    </div>

    <div class="mt-6 text-center">
      <button onclick="changeColor()" class="header-button">
        تغيير الألوان
      </button>
    </div>
  </div>

  <footer class="mt-10 text-center text-xs text-gray-400">
    آلة حاسبة علمية من الطالب عمر أبو بكر
  </footer>

  <script>
    let displayValue = "0";
    let history = JSON.parse(localStorage.getItem('history')) || [];

    function toggleDarkMode() {
      const body = document.body;
      body.classList.toggle('dark-mode');
    }

    function appendToDisplay(value) {
      if (displayValue === "0" || displayValue === "خطأ") {
        displayValue = value;
      } else {
        displayValue += value;
      }
      document.getElementById('display').textContent = displayValue;
    }

    function clearDisplay() {
      displayValue = "0";
      document.getElementById('display').textContent = displayValue;
    }

    function calculate() {
      try {
        const result = math.evaluate(displayValue);
        history.push(displayValue + ' = ' + result);
        localStorage.setItem('history', JSON.stringify(history));
        displayValue = result.toString();
      } catch (error) {
        displayValue = "خطأ";
      }
      document.getElementById('display').textContent = displayValue;
    }

    function changeColor() {
      const colors = ['#f0f4f8', '#e4f9f5', '#e9f7fc', '#f3f6f8', '#fff0f5'];
      const randomColor = colors[Math.floor(Math.random() * colors.length)];
      document.documentElement.style.setProperty('--main-bg', randomColor);
    }
  </script>
</body>
</html>