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A full-featured scientific calculator with trigonometric functions, logarithms, powers, roots, factorials, and memory — keyboard supported.
Scientific Calculator · client-side only · zero dependencies · safe expression parser
Click the calculator buttons or type directly using your keyboard. The input field accepts complex multi-operation expressions.
Access sin, cos, tan, log, ln, √, x², xⁿ, π, e, and factorial (n!) from the function buttons.
Press = or Enter for the result. Use memory functions (M+, M−, MR) to store and recall values across multiple calculations.
Basic arithmetic (add, subtract, multiply, divide), powers and roots (x², x³, xⁿ, √, ³√), logarithms (log base 10 and natural log ln), trigonometric functions (sin, cos, tan) and their inverses (sin⁻¹, cos⁻¹, tan⁻¹), hyperbolic functions, factorial, percentage, and constants π and e.
You can switch between degrees (DEG) and radians (RAD) mode. The currently active mode is shown in the display. For standard school/university work, degrees mode is the default; for mathematical and programming contexts, radians is typically expected.
The calculator follows standard mathematical order of operations (BODMAS/PEMDAS): Brackets first, then powers/roots, then multiplication and division, then addition and subtraction. Parentheses can be used to force a different evaluation order.
Yes. Number keys, operators (+, −, *, /), Enter (=), and Backspace all work. Keyboard shortcuts for common functions are listed in the calculator interface.
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A reliable scientific calculator is a daily tool for students, engineers, scientists, and anyone working with quantitative analysis. This browser-based version provides the full function set of a handheld scientific calculator — trigonometric and inverse trigonometric functions, logarithms, powers, roots, factorials, and constants — with full keyboard support for fast entry. The degree/radian toggle covers both classroom and engineering use cases. It works offline after the page loads, making it a dependable backup when a physical calculator isn’t available.
All calculations run in your browser. No data is transmitted to any server.