# Calc Visualizer

> Calc Visualizer (iPhone/iPad app by Thomas Bretl.)

- Source: https://appshunter.io/ios/app/calc-visualizer/id890468108 (this page in markdown: same URL + `.md`)
- Developer: [Thomas Bretl](https://appshunter.io/developer/553850818)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 8.0 · 39 MB
- Languages: American English
- Released: 2014-07-01
- Data updated: 2026-05-16
- User reviews in markdown: https://appshunter.io/ios/app/calc-visualizer/id890468108/reviews.md

## What is Calc Visualizer?

Calc Visualizer helps the user better understand some of  the most important concepts of calculus. The app includes eight different modules: 1) Descartes' Method, 2) Fermat's Method, 3) Derivatives, 4) Areas under Curves, 5) Fundamental Theorem, 6) Slope Fields, 7) Max-Min problems, and 8) Related rate problems. Highly interactive, but with extensive instructional help screens and animations.


## Version history (last 4 releases)

### 3.1 — 2022-09-15

The addition of two new modules.

### 2.1 — 2019-02-06

System compatibility problems fixed.

### 2.0 — 2014-07-19

Major update with one module replaced, bugs eliminated, and differential equation solutions included.

### 1.0 — 2014-06-25

No release notes.

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## More apps by Thomas Bretl

- [FactorMan](https://appshunter.io/ios/app/factorman/id564193621)
- [Arithmetic Quilts](https://appshunter.io/ios/app/arithmetic-quilts/id567300241)
- [SquArray](https://appshunter.io/ios/app/squarray/id573931041)
- [GeoFit](https://appshunter.io/ios/app/geofit/id592409225)
- [Celestial Dances](https://appshunter.io/ios/app/celestial-dances/id601885290)
- [Arithmetic Triads](https://appshunter.io/ios/app/arithmetic-triads/id766614387)

All apps by Thomas Bretl: https://appshunter.io/developer/553850818

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-16.*