Free online scientific calculator with trigonometric functions (sin, cos, tan), logarithms (log, ln), square root, powers, factorial, pi, and exponent. Perfect for students, engineers, and scientists.
Use the buttons to build your mathematical expression. Supports numbers, operators, trigonometric functions, logarithms, and constants.
Press = to evaluate the expression. The result appears instantly in the display.
Use C to clear the display and start a new calculation. The calculator supports chaining operations.
Q: What functions are supported?
A: The calculator supports sin, cos, tan (in radians), log (base 10), ln (natural log), square root (√), power (xʸ), factorial (n!), pi (π), and e.
Q: Are trigonometric functions in degrees or radians?
A: Trigonometric functions use radians. To convert from degrees, multiply by π/180.
Q: Can I use parentheses?
A: Yes! Use ( and ) to group expressions and control evaluation order.