Everyone's Calculator

Scientific Calculator

Trig (degrees), log, square root, π, e supported

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Scientific calculator

Handles trigonometry, logarithms, and powers for science and engineering.

Supports degree-based trig (sin, cos, tan), log, square root, π, and e.

  • Enter an angle in degrees to get sin, cos, and tan.E.g. sin(30°) = 0.5, cos(30°) = √3/2, tan(30°) = 1/√3.
  • Compute common log (base 10) and natural log (ln).E.g. log₁₀(100) = 2, ln(e) = 1.
Trigonometric functions
Sine, cosine, and tangent relate an angle of a right triangle to ratios of two sides. They are widely used in geometry, physics, and signal processing.
Logarithm
The logarithm is the inverse of exponentiation. log_a(b) is the exponent to which a must be raised to get b. Base 10 is common log; base e is natural log (ln).