Scientific Calculator
Evaluate complex scientific math expressions with trigonometric functions, logarithms, exponents, constants (π, e), and degree/radian angle modes.
Calculator Inputs
Supports +, -, *, /, ^, sin, cos, tan, asin, acos, atan, log, ln, sqrt, abs, pi, e.
Angle unit for trigonometric and inverse trigonometric functions.
- Evaluated Result
- 1
- Status / Interpretation
- Successfully evaluated
- Angle Mode Active
- Degrees (°)
About these results
CalcSpectrum calculators produce automated estimates using established formulas and the specific values you enter. Because real-world outcomes depend on input accuracy, mathematical assumptions, and rounding conventions, please verify critical figures with an appropriately qualified financial, tax, medical, legal, or other professional, as relevant.
How It's Calculated
Formula
A deterministic, client-side scientific calculator for evaluating advanced arithmetic, trigonometric operations, powers, roots, and logarithms. Expressions are parsed using standard mathematical order of operations (PEMDAS): Parentheses, Exponents (right-associative), Multiplication and Division, and Addition and Subtraction.
Worked Examples
Trigonometric and Algebraic Evaluation: sin(30) + 2 ^ 3
- Evaluate exponent: 2 ^ 3 = 8.
- In Degrees mode, evaluate sine: sin(30°) = 0.5.
- Compute addition: 0.5 + 8 = 8.5.
Frequently Asked Questions
How do I toggle between Degrees and Radians?
Use the 'Angle Unit Mode' dropdown above the expression input. When Degrees is selected, sin(90) equals 1. In Radians mode, sin(pi / 2) equals 1.
What functions are supported?
The calculator supports sin, cos, tan, asin, acos, atan, log (base 10), ln (natural log), sqrt (square root), abs (absolute value), powers (^), and constants pi and e.
Is my expression evaluated safely?
Yes. Evaluation uses an in-repo recursive descent parser with zero JavaScript eval() or dynamic code execution, ensuring complete security against arbitrary code injection.