# Bell Curves - graphing calculator for the normal distribution function

> Education

Canonical page: [https://chrome-stats.com/d/id783996056](https://chrome-stats.com/d/id783996056)

## Overview

- **ID:** `id783996056`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Iaroslav Mironov
- **Category:** Education
- **Rating:** 3.00 / 5 (2 ratings)
- **Version:** 1.3.9
- **Last updated:** 2015-06-18
- **First published:** 2014-01-05
- **Size:** 6.48 MB
- **Data as of:** 2026-09-06
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/bell-curves-graphing-calculator-for-the-normal/id783996056)

## Description

* Build interactive graphs of the probability density function (PDF) the cumulative distribution function (CDF)  for normal distributions
* Fit normal and lognormal sample data from CSV files
* Visually compare sample distribution with PDF function
* Solve PDF/CDF equations graphically 
* Calculate the sigmas and quantiles

Bell Curves is an interactive graphing tool and calculator for the bell curve probability density function.

## Rankings

- #724,958 — Overall
- #48 — graph

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Source: [Chrome-Stats](https://chrome-stats.com/d/id783996056)