Everyday Math

Scientific Calculator

This scientific calculator supports common advanced math functions for school, technical work, and quick checks.

Updated May 2026No signup requiredBuilt for mobile

Calculator

Result--

StatusTrig functions use degrees.

How to use this calculator

  1. Enter your values in the calculator fields.
  2. Check that the units and percent formats match what the label asks for.
  3. Click Calculate to update the result.
  4. Use Reset Calculator to restore the starting example.

Formula or calculation method

Exponent: a^b raises a base to a power.

Square root finds the positive value that squares to the input.

Trig functions use degrees in this calculator.

log is base 10 and ln is natural log.

Worked example

sqrt(144) returns 12. sin(30) returns 0.5 because trig entries are treated as degrees.

Practical planning tips

  • Algebra and trigonometry
  • Technical estimates
  • Geometry checks
  • Homework support
  • Engineering rough math

Common mistakes to avoid

  • Mixing degrees and radians
  • Taking a square root of a negative number in real-number mode
  • Leaving parentheses unbalanced
FAQ

Scientific Calculator questions

Is this calculator exact?

It is a practical estimate based on the values you enter. Verify important decisions with the official source, lender, school, product label, or professional guidance when needed.

Why did I get an error?

The calculator checks for blank fields, invalid numbers, impossible negative values, and divide-by-zero situations. Review the message and adjust the input.

Can I use this calculator on my phone?

Yes. The inputs, buttons, and result cards are built to work on mobile screens.

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