Overview

A full-featured scientific calculator supporting trigonometric functions (sin, cos, tan), logarithms, roots, exponents, parentheses, and a complete history of operations. Designed for students, engineers, and researchers who need precise calculations in the browser without installing a dedicated app.

Key features

• •Complete trig and logarithmic functions (sin/cos/tan/log/ln)
• •Roots, exponents, and nested parentheses
• •Scrollable history of the last operations
• •Built-in math constants like π and e
• •Responsive interface that works on desktop and mobile

How to use

1. 1
   Use the on-screen buttons to enter numbers and operators.
2. 2
   Use parentheses to control order in complex expressions.
3. 3
   Press = to get the result.
4. 4
   Use the history panel to revisit previous operations.
5. 5
   Press C to clear the screen and start a new calculation.

Frequently asked questions