Precision Calculator

📱 Basic Operations
Switch modes: Click "Basic" or "Scientific" to switch calculator modes
Angle mode: Click "DEG/RAD" to switch between degrees and radians
Clear: Click "AC" to clear all input
Backspace: Click the backspace icon to delete the last character
🔢 Scientific Functions
Trigonometric: sin, cos, tan, asin, acos, atan
Hyperbolic: sinh, cosh, tanh
Logarithmic: log (common log), ln (natural log)
Exponential: exp, 10^x, 2^x
Roots: √ (square root), ∛ (cube root)
Powers: x², x³, ^ (arbitrary power)
Others: |x| (absolute value), 1/x (reciprocal), ! (factorial)
📋 History
Click history items to reuse expressions
Click copy icon to copy calculation results
Click delete icon to remove individual records
Click "Clear" to delete all history records。