科学计算器

✨ Core Features:

• Basic Calculator - Supports basic arithmetic operations, percentages, and nested parentheses.

• Scientific Calculator - Supports trigonometric functions, logarithms, exponentiation, factorials, etc.

• 10 Unit Conversions - Length, weight, temperature, area, volume, speed, time, data storage, pressure, energy

• History - Saves calculation and conversion history.

• Dark Mode - Light/Dark/Follows system settings.

• Landscape/Portrait Support - Adaptive layout.

🔒 Privacy First: Completely offline use, no personal data collected.

📱 Simple Interface: Smooth operation, professional and reliable.