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1. Select category 2. Choose calculator 3. Enter data 4. View results

Choose the kind of calculator you want to use

Categorical data

Fisher's, Chi square, McNemar's, Sign test, CI of proportion, NNT (number needed to treat).
Continuous data

Descriptive statistics, detect outlier, t test, CI of mean/difference/ratio/SD, post tests.
Statistical distributions and interpreting P values

Calculate P from t, z, r, F or chi-square, or vice-versa. View Binomial, Poisson or Gaussian distribution. Correct a P value for multiple comparisons and Bayes.
Random numbers

Assign subjects to groups, simulate data.
Chemical and radiochemical data

Create and convert molar solutions, convert moles & grams, radioactivity calculations.