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Quick guide

What This Calculator Does

This expression calculator is ideal for the kind of numeric problem that is a little more complex than a basic calculator, but nowhere near complex enough to justify opening full math software. If you want parentheses, powers, roots, logs, and common functions inside one expression, this page is a very practical fit.

It supports standard arithmetic, parentheses, powers, several common math functions, and the constants pi and e. After each successful calculation, it also keeps a short recent history so you can review, copy, or build on previous answers.

When to Use It

  • You want to evaluate a moderately complex expression quickly.
  • You need parentheses, powers, roots, logs, or common functions.
  • You are checking homework, validating code, or doing UI-level numeric tests.
  • You want recent history without switching to a heavier tool.

Inputs Explained

Expression Input

You can type expressions directly, for example:

  • 2+3*4
  • (10+5)*2
  • sqrt(25)+sqrt(16)
  • 2pi
  • (1+2)(3+4)

That kind of direct input is what makes the page so convenient: you do not have to break everything into separate keypad steps.

Frequently Asked Questions

What is this tool best for?

It is best for medium-complexity numeric expressions such as parentheses, powers, roots, logs, and common-function checks that are awkward in a basic calculator.

Can I type forms like 2pi or 2(3+4)?

Yes. That kind of implicit multiplication is one of the most convenient parts of the page.

Do trig functions use degrees or radians?

It is safest to treat trig input here as radians. If you are thinking in degrees, convert first before evaluating.

Why does the input clear after calculation?

Because the page moves the completed calculation into history so you can continue with the next expression more easily.

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Usage Tips

  • Calculation results are for reference only, please adjust according to actual circumstances
  • For important decisions, it is recommended to consult relevant professionals
  • Please verify the accuracy of the results before using them

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Math Expression Calculator

Supports basic math operations, function calculations, etc.

Supported Functions and Constants

Basic Operations: +, -, *, /, ^, ()

Functions: sin(), cos(), tan(), sqrt(), log(), ln(), abs(), ceil(), floor(), round(), exp()

Constants: pi, e