Scientific Calculator - Free Online Tool | PivaBox

Advanced scientific calculator with trig functions, logarithms, powers, and angle mode toggle — all in your browser

How to Use Scientific Calculator

1. Type your mathematical expression using the on-screen keypad or your keyboard. Use sin, cos, tan, log, ln, sqrt for advanced functions
2. Switch between DEG (degrees) and RAD (radians) mode using the toggle button at the top left of the display
3. Press = or Enter to evaluate. View your last 5 calculations in the history section — click any entry to reuse it

Frequently Asked Questions

Is this scientific calculator free?

Yes, PivaBox Scientific Calculator is completely free to use. There are no charges, subscriptions, or hidden fees. All calculations run locally in your browser.

Does the calculator support keyboard input?

Yes! You can use your keyboard for all operations: digits 0-9, +, -, *, /, (, ), ., Enter for equals, Backspace to delete, Escape to clear. The 'p' key inserts π and 'e' inserts Euler's number.

What functions does the scientific calculator support?

It supports sin, cos, tan, log (base 10), ln (natural log), square root (√), powers (xʸ), x², π, e, parentheses, reciprocal (1/x), percentage, and sign toggle (±). Results are precise to 12 significant digits.