Last updated October 7, 2026 · Report an error
A basic calculator handles the four operations, but real math problems often need trigonometric functions, logarithms, roots, and careful order-of-operations handling all in one expression.
This calculator evaluates a full scientific expression — trigonometric functions, logarithms, square roots, exponents, and parentheses — in a single step.
How it works
Type a math expression using standard notation: +, -, *, /, ^ for exponents, and parentheses for grouping. Use function names like sin(), cos(), tan(), sqrt(), log(), ln(), and abs() followed by their argument in parentheses. Trigonometric functions expect their argument in degrees. The calculator parses and evaluates the full expression respecting standard order of operations.
- Enter expression.
- Click Calculate to see your results.
Examples
A mixed trigonometric and root expression
The expression "sin(30) + sqrt(16) * 2" evaluates to 8.5 — sin(30°) = 0.5, and sqrt(16) * 2 = 8.
Who should use it
- Evaluating a homework or coursework expression involving trig, roots, or logarithms.
- Quickly checking a multi-step calculation without a physical calculator on hand.
Industry applications
- Mathematics, science, and engineering education
- General-purpose calculation for any technical field
Advantages
- Evaluates a full expression in one step, including trigonometric and logarithmic functions.
- Respects standard order of operations and supports parentheses for grouping.
Limitations
- Trigonometric functions are fixed to degrees — there is no radians mode toggle.
Common mistakes to avoid
- Assuming trigonometric functions use radians when this calculator expects degrees — check your expected result if it looks off by a factor related to π.
- Forgetting a closing parenthesis, which the calculator will flag as a syntax error rather than guess your intent.
Best practices
- Use parentheses liberally to make the intended order of operations explicit, especially in longer expressions.
Tips
- If you need an inverse trig result in a different unit, remember that asin/acos/atan here return degrees, not radians.