Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

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 Screenshots

iPad

iPhone

About Formulus

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 1, 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 29, 2015

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

3.1.2

Apr 22, 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 this app in the coming weeks!

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)
- More Calculus formulas added
- Differential Equations formulas added

- New color theme

2.2

Apr 8, 2010

- remade formula sheets
- fixed "fuzzy" formulas

- sorry for the late update to this paid version, there was a problem building the new version that took me forever to figure out

2.1

Jun 17, 2009

- fixed errors in some formulas

2.0

May 6, 2009

1.0

Mar 31, 2009

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