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How to use the scientific calculator
Build an expression with supported operators and functions, then choose the correct angle mode.
Enter an expression
Type numbers, parentheses, arithmetic operators, powers, or supported functions such as sqrt and sin.
Choose angle mode
Use degrees for degree-based angles or radians for radian-based trigonometry.
Check the result
Review the evaluated number and the mode used for the calculation.
Frequently Asked Questions
Which operators are supported?
Addition, subtraction, multiplication, division, powers, and parentheses are supported.
Which functions are supported?
The calculator supports sqrt, abs, ln, log, sin, cos, and tan.
What is angle mode?
Angle mode controls whether trigonometric inputs are interpreted as degrees or radians.
Can I use pi?
Yes. Use pi or e as supported mathematical constants.
Why is my expression rejected?
Only supported characters and functions are accepted, and parentheses must be balanced.
Can I divide by zero?
No. Division by zero is rejected as undefined.
Does it store my expression?
No. Evaluation happens in your browser and the expression is not sent to a server.