How it works
- 1Enter an expression or use the scientific keypad.
- 2Choose DEG or RAD for trigonometric functions.
- 3Calculate, reuse Ans, or select a recent expression from local history.
← All tools
BROWSER · Toolardo Safe Math Engine (local JavaScript)
I need to calculate Scientific
Scientific Calculator
Use a safe browser scientific calculator for trigonometry, logs, roots, powers, factorials, percentages, nCr and nPr. DEG/RAD modes and local history included.
✓ Safe scientific expression parser with no eval()✓ DEG/RAD trigonometry, powers, roots, factorial, nCr and nPr✓ Local calculation history and Ans memory
—
Recent calculations
About this tool
A privacy-friendly scientific calculator that evaluates mathematical expressions locally without eval or remote APIs.
Common uses
trig calculatorlog calculatorfactorial calculatornCr calculator
Frequently asked questions
Which functions are supported?
Common arithmetic, powers, percent, factorial, sin/cos/tan, inverse trig, logarithms, exponentials, roots, absolute value, nCr and nPr are supported.
Does it execute JavaScript from my expression?
No. The calculator uses a restricted mathematical parser and does not use eval or Function.
Is calculation data uploaded?
No. Expressions and results are processed locally in the browser.