Question 1

How do I use the scientific calculator?

Accepted Answer

Click the buttons or type on your keyboard. Use the toggle to switch between DEG and RAD mode for trigonometric functions.

Question 2

What functions are supported?

Accepted Answer

The calculator supports basic arithmetic, trigonometry (sin, cos, tan), logarithms (ln, log), exponents, square root, power, factorial, constants (π, e), parentheses and more.

Question 3

Is this calculator free?

Accepted Answer

Yes. This is a completely free online scientific calculator that runs in your browser with no installation needed.