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Use a fast and accurate calculator for daily math, schoolwork, and engineering formulas.
This free online scientific calculator works in your browser with no download. It supports trigonometry, logarithms, powers, roots, and memory. You can use the keyboard or tap the buttons, and recent results are saved locally.
1) Enter numbers with buttons or keyboard. 2) Select operators like +, -, ×, /, sin, cos, tan, log, and power. 3) Press = to calculate. 4) Copy the result or check recent results below.
Yes. All core functions are free in the browser.
Yes. Number keys, operators, Enter, and Backspace are supported.
It supports basic arithmetic, trigonometry (sin, cos, tan and inverses), logarithms (log, ln, log₂), powers and roots, memory (M+, M-, MR, MC), and more. Suitable for school and engineering use.
Yes. The calculator works on phones and tablets; use the on-screen buttons or a connected keyboard.
Only recent results are stored in your browser's local storage on your device. We do not send your calculations to our servers.
This calculator is provided by Hunihub as part of the Product Hub. We offer free online tools in multiple languages.