---
title: "Bell Curves - graphing calculator for the normal distribution function — App Overview"
url: https://marlvel.ai/apps/bell-curves-graphing-calculator-for-the-normal-dis
category: Education
developer: Iaroslav Mironov
platforms: ios
rating: 3.0 (2 ratings)
pricing: free
report_level: overview
generated: 2026-04-24
last_verified: "2026-04-24T14:34:51.417Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This is a niche, single-purpose utility that provides a free, accessible alternative to expensive graphing calculators for specific statistical tasks.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Education |
| Rating | 3.0 ★ (2) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 1.3.9 |
| Developer | Iaroslav Mironov |

<!-- SECTION: Summary -->
## What is Bell Curves - graphing calculator for the normal distribution function?

Bell Curves is a specialized graphing calculator designed to visualize normal and lognormal distribution functions. It enables users to perform statistical analysis by fitting sample data from CSV files and calculating specific sigmas and quantiles. The app serves as a cost-effective alternative to high-end hardware graphing calculators for students and professionals.

<!-- SECTION: Key Features -->
## Key Features

- **Interactive Graphing**: Builds visual representations of probability density functions (PDF) and cumulative distribution functions (CDF).
- **Data Fitting**: Allows users to import CSV files to fit normal and lognormal sample data for comparative analysis.
- **Statistical Calculation**: Provides tools to solve PDF/CDF equations graphically and calculate specific sigmas and quantiles.

<!-- SECTION: Target Audience -->
## Who is it for?

Statistics students and professionals requiring a dedicated tool for normal distribution modeling and data visualization.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/bell-curves-graphing-calculator-for-the-normal/id783996056?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/bell-curves-graphing-calculator-for-the-normal-dis)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/bell-curves-graphing-calculator-for-the-normal-dis).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*