About Us

About AP Stats Calculator

Free AP Statistics tools for students, built for practice and exam preparation.

Our Mission

We believe every AP Statistics student deserves free, clear statistical tools. Our mission is to make normal distribution, t-tests, chi-square tests, and regression easy to check, without a login or a paid graphing calculator.

Core Values

Free for Students

The calculators are free to use in a browser, with no login and no sign-up.

Exam-Focused

Functions match the AP Statistics exam: normal distribution, binomial probability, t-tests, chi-square, and regression.

No Login Required

Open the tool and start calculating. No account, no download, and no personal details needed.

Clear Results

Results show the probability, p-value, or interval in plain language, so a student can check work step by step.