Scientific Calculator
A powerful online calculator for all your math, engineering, and science needs.
History
No calculations yet.
How to Use This Calculator
Basic Operations
Enter numbers by clicking the number buttons or using your keyboard.
Use +, −, ×, ÷ for standard arithmetic calculations.
Press = to get your final result.
Use AC to clear all input and reset the calculator. Use C to clear the current entry only.
Scientific Functions
Trigonometry: Use sin, cos, and tan for trigonometric functions.
Logarithms: Use log for the common logarithm (base 10) and ln for the natural logarithm.
Exponents & Roots: Use x² to square a number, xʸ for custom powers, and √ for the square root.
Factorial: The n! button calculates the factorial.
Reciprocal: The x⁻¹ button finds the reciprocal (1/x).
Other Features
Angle Modes: Switch between DEG (degrees) and RAD (radians) for trigonometric calculations.
Memory: Use M+ and M- to add/subtract the current value to/from memory. Use MR to recall the value and MC to clear it.
History: Your recent calculations are saved in the History panel. Click on any entry to reuse its result.