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Mathematics & Percentages

Scientific Calculator

A scientific calculator with trigonometry in degrees or radians, logarithms, powers, roots, factorials, combinations and constants.

Your inputs

Functions: sin cos tan asin acos atan sinh cosh tanh sqrt cbrt root(x,n) ln log log(x,b) log2 exp abs fact n! nCr(n,r) nPr(n,r) min max; constants pi, e, phi; mod.

Results

Result

1,027.5

✓Exact calculation — rounded only for display

What this calculator does

Enter full expressions such as sin(30) + log(1000) + 2^10. Functions, constants and implicit multiplication like 2π are supported.

Formula and method

Precedence: unary minus < ^ (right-associative) so −2^2 = −4 and 2^3^2 = 512. log is base 10, ln is natural log, log(x, b) uses base b.

Worked example

Calculated by this tool with its default inputs:

Inputs

  • Expression: sin(30) + log(1000) + 2^10
  • Angle unit: Degrees

Results

  • Result: 1,027.5

How to read the results

Domain errors (e.g. ln of a negative number, tan 90°) are reported rather than returning misleading values.

Assumptions and limitations

  • Factorials are exact up to 170!; larger values overflow standard number precision — use the factorial calculator for exact big factorials.

Questions

Degrees or radians?

Choose with the angle selector; it affects sin, cos, tan and their inverses.

Methodology and verification

Result type
Exact mathematical calculation (rounded only for display)
Formula version
1.0
Automated verification
9 reference and validation test cases, checked against independently computed values. The site cannot be built if any of them fail.
Editorial review
Awaiting human editorial review. The explanation was drafted with AI assistance; the formula and examples are verified by the automated tests above.

Privacy

Everything you enter is calculated in this browser and is not sent to Numerith or anyone else. Inputs are added to a share link only if you choose to include them. Privacy policy