Scientific Calculator

This scientific calculator includes: 1. Basic arithmetic operations (+, -, ×, ÷) 2. Scientific functions (sin, cos, tan, log, ln, square root) 3. Constants (π, e) 4. Power operator (x^y) 5. Factorial operation 6. Parentheses for complex expressions 7. Clear and delete functions 8. Error handling To use the calculator: 1. Click the buttons to input numbers and operations 2. Use scientific functions by clicking the appropriate buttons 3. Press = to calculate the result 4. Use C to clear and ⌫ to delete last character The calculator supports operations like: 1. 5! (factorial) 2. sin(π/2) 3. 2^3 (2 to the power of 3) 4. √(16) (square root) 5. log(100) 6. ln(e) 7. Complex expressions like (2+3)*4 - 5/2