What is the difference between mean, median, and mode?

Mean is the average; median is the middle value when sorted; mode is the most frequent value.

Online Mean Median Mode Calculator

Calculate mean, median, and mode from a list of numbers.

Numbers (comma or space separated)

What is the difference between mean, median, and mode?: Mean is the average; median is the middle value when sorted; mode is the most frequent value.

Celsius to Fahrenheit Converter

Convert Celsius to Fahrenheit and Fahrenheit to Celsius instantly. Free temperature converter.

Tip Calculator

Calculate tip and split the bill. Enter bill amount, tip percentage, and number of people.

Roman Numeral Converter

Convert numbers to Roman numerals and Roman numerals to numbers. Supports 1–3999.

Combinations Calculator

Calculate C(n,r) — the number of ways to choose r items from n without order. Uses n!/(r!(n-r)!).

Combinations with Replacement Calculator

Calculate the number of ways to choose r items from n with repetition allowed. Formula: C(n+r-1, r).

Even Permutations Calculator

Count how many permutations of n objects are even (expressible as an even number of swaps). For n ≥ 2, equals n!/2.