Scientific Calculator

Trig, logs, exponents and more, in one keypad.

Overview

Performs advanced scientific calculations including trigonometry (sin, cos, tan), inverse functions, logarithms (ln, log10), factorials, and powers with radian/degree toggles.

Formula & Calculation Method

f(x) = Trigonometric, Logarithmic, Exponential, and Algebraic Functions

Evaluates expressions adhering strictly to standard PEMDAS/BODMAS mathematical operator hierarchy and floating-point precision.

Worked Example: Evaluating sin(30°) + log10(100) × 2^3

Inputs: Expression: sin(30 deg) + log10(100) * 2^3

  • Evaluate trigonometric term: sin(30°) = 0.5
  • Evaluate logarithmic term: log10(100) = 2.0
  • Evaluate exponent: 2^3 = 8.0
  • Multiplication before addition: 2.0 × 8.0 = 16.0
  • Final addition: 0.5 + 16.0 = 16.5

Summary: Expression Evaluated = 16.5 | Mode = Degrees | Operator Precedence Maintained

Common Use Cases

  • Engineering & Physics: Solve vector forces, harmonic oscillations, and wave mechanics.
  • Higher Mathematics: Compute natural logs, Euler's number e, and trigonometric identities.
  • Computer Science: Evaluate logarithmic algorithm complexity (O(log n)) and exponential growth.

Frequently Asked Questions

How do I switch between Radians and Degrees?

Use the DEG/RAD toggle button on the interface; 180 degrees equals π radians (roughly 3.14159 rad).

What is the difference between log and ln?

log usually represents log10 (base 10); ln represents natural logarithm (base e ≈ 2.71828).

Why is tan(90°) undefined?

Because tan(x) = sin(x) / cos(x); at 90°, cos(90°) = 0, causing division by zero.

Related Calculators & Tools