Scientific Calculator
A full scientific calculator with trigonometry, logarithms, powers, factorials, and degree/radian modes.
Frequently Asked Questions
What functions are available?
Trigonometry (sin, cos, tan), square root, square, powers, base-10 log, natural log, reciprocal (1/x), factorial, and constants pi and e.
How do degrees and radians work?
Toggle DEG or RAD. In degree mode, trig functions take degrees as input (sin 30 = 0.5). In radian mode, they take radians (sin π/2 = 1).
Does it follow order of operations?
Yes. The expression is evaluated using standard operator precedence, and parentheses are supported for grouping.
Is my input sent anywhere?
No. All calculation happens in your browser. Nothing leaves your device.
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