Scientific Calculator
Evaluates expressions with sin, cos, tan, logarithms, and powers safely without eval().
Result
4
Supports +, −, ×, /, ^, ( ), sqrt, sin, cos, tan, log, ln, abs, pi, e. Use a dot or comma for decimals.
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Methodology
Expression is parsed by operator precedence; trig functions use radians.
Example
sin(π/2) + 2² = 5. log₁₀(100) = 2.