An online scientific calculator with history feature

This calculator web app helps you perform various calculations easily with its intuitive user interface.

It supports basic arithmetic operations as well as scientific functions, including trigonometric functions, inverse trigonometric functions, exponentiation, square roots, factorials, and logarithms.

Features and Usage

Basic arithmetic operations including parentheses.
Scientific calculator functions (trigonometric functions, inverse trigonometric functions, powers, square roots, logarithms, factorials, etc.).
(Mobile) Switch between basic mode and scientific mode: Tap the calculator icon in the top header to toggle between modes.
To switch between RAD and DEG modes for trigonometric functions, use the respective buttons ('RAD' and 'DEG') in scientific mode.
Reuse of calculation history and results:

💾 Save: Press the '=' button to automatically save each evaluated expression and its result.
🔎 View: (Mobile) Tap the history icon in the top header to check previous results.
📝 Reuse: Tap the result of a saved expression to add it to the end of the current input.
🗑️ Delete: Press the 'Delete All' button at the bottom of the history window.

Notes

|x| Absolute Value: Very large or small absolute values may be displayed as 0 or ‘Infinity’.
.00 Decimal Precision: Displays up to 5 decimal places (rounds at the 6th place).
( ) Parentheses: Ensure that nested parentheses are correctly paired for accurate formula evaluation.
🔒 Security: Calculation history is stored in your browser and is only accessible on your device. We do not have access to your data, and it will be deleted if you clear your browser data.