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Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Formulus Free Screenshots

iPad

iPhone

About Formulus Free

Have you ever needed to know that one math formula that you always forget? Do you spend minutes flipping through your textbook or searching the internet for it? Then you need Formulus!

Formulus is the perfect study tool. It is a simple, easy to use, easy to navigate collection of the most important formulas and topics for high school and college students taking Calculus.

Includes the following subject areas:
- Algebra & Geometry
- Derivatives
- Functions
- Integrals
- Limits
- Logarithms
- Matrices
- Partial Derivatives
- Series & Sequences
- Trigonometry
- Vectors

What's New in the Latest Version 4.0.1

Last updated on Nov 19, 2020

Old Versions

Formulus has undergone a complete rewrite. Performance should be much faster, and better adapt to your device.

Version History

4.0.1

Nov 19, 2020

Formulus has undergone a complete rewrite. Performance should be much faster, and better adapt to your device.

4.0

Aug 2, 2017

- Fixed formula sheet errors
- Reorganized formulas

Look out for more future enhancements!

3.1.4

Jul 30, 2015

- Bug fixes
- Fix for crash on Differential Equations -> Terminology

Formulus Free is now a Universal app! The current iPad-only version of Formulus will be removed from the App Store soon.

3.1.3

Jul 28, 2015

Formulus Free is now a Universal app! The current iPad-only version of Formulus will be removed from the App Store soon.

3.1.2

Apr 23, 2015

Fixed crash related to Differential Equations->Terminology formulas

3.1.1

Apr 11, 2015

Moving to minimum of iOS 8 in preparation for app re-write

3.1

Mar 13, 2015

Updated for iOS 8!

Stay tuned for a complete re-write of the app in the coming weeks!

3.0.3

Jul 19, 2010

- formula error fixes
- iPhone 4 compatibility

3.0.2

Jul 6, 2010

3.0
- NO MORE BLURRY FORMULAS!!! All formulas are completely remade in a different format
- Pinch & Zoom for formulas

- Calculus formulas fixed (Simpson's Approximation Rule)
- Calculus formulas added
- Differential Equations formulas added

- New color theme

3.0.1/3.0.2
- fixed crashing on launch

3.0.1

Jun 25, 2010

THERE ARE PROBLEMS WITH CRASHES ON iOS 3.x, PLEASE USE ONLY IF YOU HAVE iOS 4.0! A FIX HAS BEEN SUBMITTED TO APPLE AND WILL BE IN THE STORE SOON!

3.0
- NO MORE BLURRY FORMULAS!!! All formulas are completely remade in a different format
- Pinch & Zoom for formulas

- Calculus formulas fixed (Simpson's Approximation Rule)
- Calculus formulas added
- Differential Equations formulas added

- New color theme

3.0.1
- fixed crashing on launch

3.0

Jun 18, 2010

- NO MORE BLURRY FORMULAS!!! All formulas are completely remade in a different format
- Pinch & Zoom for formulas

- Calculus formulas fixed (Simpson's Approximation Rule)
- Calculus formulas added
- Differential Equations formulas added

- New color theme

2.2

Dec 12, 2009

- remade formula sheets
- fixed "fuzzy" formulas

2.1

Jun 17, 2009

- fixed errors in some formulas

2.0

May 6, 2009

1.0

Mar 31, 2009

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