Accurate calculators, step-by-step solutions, and beautiful graphs for Class 9–12 students. Aligned with FBISE, CBSE, IGCSE, O-Levels, A-Levels, and IB curricula.
From basic mean/median to probability and scatter plots — every tool includes clear formulas and worked examples.
Calculate all three averages at once with step-by-step explanations and formulas.
Calculate Q1, Q2, Q3, the Interquartile Range, and identify outliers.
Find the range, minimum, and maximum of any dataset instantly.
Compute population or sample standard deviation with a full worked solution.
Calculate population or sample variance with each step clearly explained.
Find the standardized Z-score for any value and understand what it means.
Calculate basic probability, complementary, union, and intersection events.
Calculate nPr and nCr with step-by-step factorial breakdowns.
Generate line graphs from your data with custom labels and titles.
Create pie or donut charts with automatic percentage labels for any dataset.
Plot histograms with automatic or custom bin widths. Ideal for grouped data.
Visualize correlations between two variables with optional regression line.
Paste or upload CSV data to display it as a sortable, formatted HTML table.
Convert any data table directly into a bar, line, or pie chart instantly.
Every tool explains the math behind the answer — not just the number.
All calculations use verified statistical formulas with clear notation so you can check your textbook alongside every result.
Don't just get the answer — understand every step. Each tool breaks down the calculation the same way your teacher would on a whiteboard.
Fully responsive design means you can use it on your phone during study sessions, on a tablet in class, or on a PC at home.
No sign-up, no subscription, no limits. Every tool is free to use, forever. We're funded by responsible, non-intrusive advertising.
Tools and terminology match FBISE, CBSE, IGCSE, O-Levels, A-Levels, and IB syllabi so your results make sense in exam context.
Protect your eyes during late-night study sessions with our built-in dark mode that remembers your preference automatically.
STEMBridge Stats is designed for students in Classes 9 through 12 across multiple international curricula.
Fully aligned with Federal Board of Intermediate and Secondary Education statistics topics for Matriculation and Intermediate.
Covers CBSE Statistics chapters from Class 9 to 12, including measures of central tendency, standard deviation, and probability.
Supports Cambridge IGCSE Mathematics and Additional Mathematics statistics topics including data analysis and probability.