Scientific Mode
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All calculations run locally in your browser. No data is sent to any server.
Frequently Asked Questions
The calculator employs a strict PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction) order of operations. For example, entering 2 + 3 * 4 yields 14 because multiplication is evaluated before addition. Use brackets to override default precedence.
DEG (Degree) mode measures angles in standard circle degrees (0-360), while RAD (Radian) mode measures angles using mathematical radians based on pi. Toggling this setting changes how trigonometric functions like sin(), cos(), and tan() interpret input angles.
Enter a number followed by the factorial symbol "!" (e.g. 5!). The tool evaluates factorials using integer multiplication (5 * 4 * 3 * 2 * 1 = 120) up to a maximum limit of 170 to avoid browser memory overflows.
Yes. The keyboard layout contains dedicated keys for inverse sine (sin⁻¹), inverse cosine (cos⁻¹), and inverse tangent (tan⁻¹). The calculated output angles will respect your DEG or RAD settings.
Yes. Once an expression is evaluated successfully, a copy button appears at the bottom-left of the display screen. Click it to copy the raw number string directly to your clipboard for use in other documents.