Scientific Calculator
Free online scientific calculator with trigonometric functions, logarithms, square roots, and more. Supports both radians and degrees.
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Frequently Asked Questions
How to use the scientific calculator?
Type numbers and operators to build expressions. Use function buttons (sin, cos, tan, log, ln, sqrt) followed by values in parentheses. Press = to calculate.
What is the difference between radians and degrees?
360 degrees = 2pi radians. Radians are the standard unit in mathematics, while degrees are more common in everyday use. Switch between them using the RAD/DEG button.