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A2Tool

Scientific Calculator

Advanced online math calculator with equation history.

ExpressionPrecision: 14 digits
= Press Enter ⏎

How to Use the Scientific Calculator

  1. Use the advanced buttons for trigonometric functions (sin, cos, tan).
  2. Use logarithmic and exponential functions as needed.
  3. Evaluate complex expressions with full parenthesis grouping.

Key Features

  • Trigonometry in Degrees and Radians
  • Logarithmic and Exponential functions
  • Parentheses for complex equations
  • Local history tracking for fast recall
  • Safe arithmetic parsing using mathjs

Frequently Asked Questions

Does this support radians?

Yes, by default trigonometric functions evaluate in radians.

Is my history saved?

Your history is kept locally in your browser memory for the current session only.