Big Number Calculator

Advanced online calculator for performing arithmetic operations with very large numbers and high precision. Supports addition, multiplication, division, exponents, factorials and more.

Scientific Notation Calculator

Free scientific notation calculator and converter. Convert numbers to scientific, E, and engineering notation. Perform mathematical operations with scientific notation. Perfect for students and STEM professionals.

Matrix Calculator

A powerful online matrix calculator for performing operations like multiplication, addition, determinant, inverse, and more. Essential tool for linear algebra students and professionals.

Ratio Calculator

Use our free ratio calculator to solve proportions, scale ratios, and find missing values. Essential tool for math, cooking, and everyday calculations.

Z Score Calculator

Free online Z-score calculator for statistical analysis. Calculate standard scores, convert to probabilities, and visualize normal distribution curves with detailed explanations.

Log Calculator (Logarithm)

Calculate logarithms with any base using our free online log calculator. Get instant results with step-by-step explanations for common log, natural log, and custom base calculations.

Quadratic Formula Calculator

Free online quadratic formula calculator that solves equations in the form ax² + bx + c = 0. Provides roots, discriminant, vertex, and detailed step-by-step solutions.

Binary Calculator

A free online tool for performing binary arithmetic operations and conversions. Easily add, subtract, multiply, divide binary numbers and convert between binary and decimal systems.

Exponent Calculator

Use our free exponent calculator to compute any base raised to any power. Learn essential exponent rules with clear examples for negative and fractional exponents.

Permutation and Combination Calculator

Calculate permutations and combinations instantly with our free online calculator. Get nPr and nCr results with formulas and practical examples for math and statistics problems.