Mathematics
Explore our complete collection of tools specifically curated in this category.
Percentage Calculator
Calculate percentages, percentage of, and percentage change.
Fraction Calculator
Add, subtract, multiply, and divide fractions.
Factorial Calculator
Calculate factorials, permutations, and combinations.
Circle Calculator
Calculate radius, diameter, circumference, and area of circles.
Right Triangle Calculator
Calculate sides, area, and perimeter using Pythagorean theorem.
Rectangle Calculator
Calculate area, perimeter, and diagonal of a rectangle.
Slope Calculator
Calculate slope between two points.
Cylinder Calculator
Calculate volume, surface area of a cylinder.
Sphere Calculator
Calculate volume and surface area of a sphere.
Cone Calculator
Calculate volume, surface area, and slant height of a cone.
Cube Calculator
Calculate volume, surface area, and diagonals of a cube.
Probability Calculator
Calculate simple, independent, and conditional probabilities.
Permutation Calculator
Calculate arrangements with or without repetition (nPr).
Combination Calculator
Calculate selections with or without repetition (nCr).
Odds Calculator
Convert between probability, decimal, and moneyline odds.
Expected Value Calculator
Calculate expected value (EV) for random variables.
Bayes Theorem Calculator
Calculate conditional probability P(A|B) using priors.
Binomial
Calculate success probabilities for binomial experiments.
Poisson
Calculate probabilities for rare events (Poisson).
Geometric
Calculate trials until first success.
Hypergeometric
Successes in draws w/o replacement.
Negative Binomial
Trials needed for r successes.
Normal Distribution
Calculate probabilities and Z-scores for normal curves.
Exponential
Calculate time between events.
Uniform
Probabilities for range [a, b].
Beta Distribution
Probability on interval [0, 1].
Gamma Distribution
Two-parameter continuous distribution.
Weibull
Reliability and failure analysis.
Log-Normal
Models positive skewed data.
Pareto
Power-law (80-20 rule) distribution.
Cauchy
Lorentz distribution (undefined mean).
Mean, Median, Mode
Calculate central tendency, range, and distribution stats.
Standard Deviation
Calculate SD, variance, and mean for population/sample.
Variance
Calculate variance and standard deviation for datasets.
Percentile
Calculate percentiles, quartiles, and IQR.
Correlation
Calculate Pearson correlation (r) and linear regression.
Confidence Interval
Calculate confidence intervals for means and proportions.
Sample Size
Determine required sample size for surveys and studies.
Margin of Error
Calculate margin of error for surveys and polls.
Standard Error
Calculate Standard Error of the Mean (SEM).
Z-Score
Calculate Z-score from raw value and vice versa.
Z-Test
Perform one-sample Z-test for known population SD.
T-Test
Perform one-sample T-test for unknown population SD.
Chi-Square
Perform Goodness of Fit and Independence tests.
ANOVA (One-Way)
Compare means of 3+ groups using F-test.
p-value
Calculate p-value from Z, t, Chi-Square, or F score.
Relative Risk
Calculate RR, Odds Ratio, and NNT.
Box & Whisker Plot
Visualize quartiles and outliers.
Frequency Distribution
Histogram and frequency table.
Stem & Leaf Plot
Distribution with original values.
Empirical Rule
68-95-99.7 rule ranges.