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Math Tools
Solve fractions, ratios, primes, quadratics and statistics problems. Each calculator shows the method so you can follow the working, not just the answer.
25–48 of 68 tools
Browse categories →Interquartile Range Calculator
Interquartile Range Calculator for practical everyday workflows. Enter the requested values to get a clear result.
LCM Calculator
Find the least common multiple of two or more whole numbers.
Linear Interpolation Calculator
Linear Interpolation Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Log Calculator
Calculate logarithms in any base, plus the natural log, log base 10 and log base 2.
Mean Calculator
Calculate the arithmetic mean of a list of numbers.
Mean, Median and Mode Calculator
Calculate mean, median, mode, range and standard deviation of a list of numbers.
Median Calculator
Find the median of a comma- or line-separated set of numbers.
Midpoint Calculator
Midpoint Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Mode Calculator
Mode Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Number to Words Converter
Write any number in English words, useful for cheques, contracts and invoices.
Percent to Decimal
Convert percent to decimal instantly using the exact conversion factor.
Percentage Point Difference Calculator
Percentage Point Difference Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Percentile Rank Calculator
Percentile Rank Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Percentile Value Calculator
Percentile Value Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Permutation Calculator
Count ordered arrangements nPr of r items chosen from n.
Population Standard Deviation Calculator
Calculate population standard deviation from numeric observations.
Population Variance Calculator
Calculate population variance for a list of numeric observations.
Prime Factorization Calculator
Find the prime factors of a positive whole number.
Prime Number Checker
Check whether a number is prime and see its prime factorization and the nearest primes.
Probability Calculator
Find the chance of two independent events, either event or at least one success over several trials.
Pythagorean Theorem Calculator
Pythagorean Theorem Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Quadratic Formula Calculator
Solve ax² + bx + c = 0 with real or complex roots, the discriminant and the vertex.
Quartile Calculator
Quartile Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Random Number Generator
Generate random whole numbers within an inclusive minimum and maximum range.