Scientific Calculator
Arithmetic & scientific calculations
Free Online Scientific Calculator
This scientific calculator handles everything from basic arithmetic to trigonometric functions, logarithms, and exponents. Switch between standard and scientific modes, use memory functions to store intermediate values, and scroll through your full calculation history — all directly in your browser with no installation needed.
Who Uses This Calculator?
Students working through homework and exams, engineers and professionals needing quick scientific calculations, and anyone who wants a reliable calculator without downloading an app all use this tool. It works the same across desktop and mobile, with no ads interrupting your calculation flow.
Frequently Asked Questions
Find answers to common questions about this tool, data privacy, and usage.
It supports trigonometric functions (sin, cos, tan), logarithms, exponents, square roots, and other common scientific operations, in addition to standard arithmetic.