Math Calculators

Scientific Calculator

Free online Scientific Calculator with trigonometric, logarithmic, exponential, and basic arithmetic functions. Supports parentheses and complex expressions.

Random Number Generator

Generate random numbers within any range. Supports multiple numbers, duplicate control, and instant copy. Perfect for lotteries, games, and sampling.

Time Calculator

Free Time Calculator to add or subtract hours, minutes, and seconds. Get results in HH:MM:SS format with total conversions.

Fraction Calculator

Free Fraction Calculator to add, subtract, multiply, and divide fractions. Automatically simplifies results and shows mixed numbers.

LCM & HCF Calculator

Calculate LCM (Least Common Multiple) and HCF/GCD (Greatest Common Divisor) of multiple numbers instantly with prime factorization and step-by-step solution.

Square Root Calculator

Calculate square root, cube root, and nth root of any number. Check if a number is a perfect square with nearest perfect squares.

Average Calculator

Calculate mean, median, mode, range, sum, standard deviation, and variance of any set of numbers instantly.

Standard Deviation Calculator

Calculate population or sample standard deviation, mean, and variance from a dataset with step-by-step formula.

Probability Calculator

Calculate the probability of single or multiple events. Convert between odds, fractions, and percentages.