Scientific calculator
Evaluate expressions with brackets, powers and functions such as sin, log and sqrt.
🔒 Everything runs in your browser. Nothing you choose or type is uploaded. How to verify
How to use it
- Type your expression.
- Choose degrees or radians.
- Read the result, which updates as you type.
Handy for
Homework, engineering checks and quick maths.
Good to know
Write multiplication with * and put function inputs in brackets, such as sin(30). % is the remainder.
Privacy: where the work happens
Everything you enter or choose is processed by JavaScript in your browser and never sent anywhere. Only the page code, and any library this tool needs, is downloaded from cdnjs or jsDelivr.
Questions
Which functions work?
sin, cos, tan, asin, acos, atan, sqrt, cbrt, ln, log, log2, exp, abs, floor, ceil, round, and factorial with !. Constants are pi and e.
How are powers handled?
^ is power. -2^2 gives -4, and 2^3^2 is read as 2^(3^2).