ToolsKit

Scientific Calculator

Evaluate expressions with trig, logs, powers, roots and factorials.

Type a full expression and get the result at once, with trigonometry, logarithms, powers, roots, factorials and constants like pi and e.

Loading the interactive tool… This page needs JavaScript to run the Scientific Calculator.

How to use Scientific Calculator

  1. Enter the values required by the calculator.
  2. Check the selected units or assumptions.
  3. Run the calculation and review the result.
  4. Recheck important figures independently before making decisions.

Best for

  • calculators workflows
  • quick scientific calculator tasks
  • browser-based utility work

Tips for better results

  • Use the same units throughout the inputs.
  • Double-check percentages, rates, and dates before relying on the result.
  • Treat financial and health-related outputs as estimates, not professional advice.

Frequently asked questions

Which functions are supported?

sin, cos, tan, asin, acos, atan, sqrt, cbrt, abs, exp, ln, log, log2, floor, ceil, round, pow, min, max, mod and root, plus the constants pi, e, tau and phi.

Degrees or radians?

Choose the angle unit above the result. Degrees is the default.

How is percent handled?

A percent sign divides by 100, so 50% equals 0.5 and 200 * 15% equals 30.

Is my data sent to a server?

No. Everything is calculated in your browser, so what you enter stays on your device.

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