What's New

- Added more content for Inverse Trig Functions

App Description

Why study harder when you can study smarter?

This powerful application contains a rich collection of examples, tutorials, and solvers for the following topics:

- Inverse Functions
- Piecewise Functions
- Domain and Range
- Compositions of Functions
- Function Transformations
- Logarithms
- Logarithmic Functions
- Exponential Functions
- Rational Functions
- Compound Interest
- Graph Symmetry
- Conic Sections
- Arithmetic Sequences
- Geometric Sequences
- Matrices
- Binomial Expansion
- Complex Numbers
- Rectangular and Polar Notation
- Rectangular/Polar Conversions
- Standard Unit Circle
- Unit Circle Representations of the Six Trig Functions
- Solving Triangles (SSS, SAS, AAS, ASA, SSA)
- Attributes and Graphical Representations of the Six Trig Functions
- Changes in Amplitude, Period, Horizontal Shifts and Vertical Shifts
- Formulas and Identities
- Degree/Radian Conversions
- 30-60-90 and 45-45-90 Triangles
- Inverse Trig Functions
- Reference Angles
- Simplifying Trig Expressions
- Angles of Elevation and Depression
- Polar curves: Limacons, Rose Curves, and Lemniscates
- Limits

Please note: there are dozens of solvers, but there aren't solvers for every topic.

I welcome all comments, questions, and suggestions: [email protected]

Follow me on facebook for app news, tips, and free Math help:

www.facebook.com/lfeldmantutoring

Please check out my other applications:

ACT Math Prep
Algebra Pro
Calculus Pro
Finite Math Pro
Geometry Pro
Math Pro (six Math apps for the price of two!)
Physics Pro
Probability Pro
SAT Math Prep
Statistics Pro

iPhone Screenshots

(click to enlarge)

PreCalculus Pro screenshot 1 PreCalculus Pro screenshot 2 PreCalculus Pro screenshot 3 PreCalculus Pro screenshot 4 PreCalculus Pro screenshot 5

iPad Screenshots

(click to enlarge)

PreCalculus Pro screenshot 6 PreCalculus Pro screenshot 7 PreCalculus Pro screenshot 8 PreCalculus Pro screenshot 9 PreCalculus Pro screenshot 10

App Changes

  • April 26, 2013 Initial release
  • April 28, 2013 Price increase: FREE! -> $0.99
  • October 10, 2013 New version 1.6
  • July 02, 2015 New version 2.02
  • July 02, 2015 Price decrease: $0.99 -> FREE!
  • July 09, 2015 Price increase: FREE! -> $0.99
  • July 19, 2015 New version 3.0
  • July 19, 2015 Price decrease: $0.99 -> FREE!
  • July 21, 2015 Price increase: FREE! -> $0.99
  • October 26, 2015 Price decrease: $0.99 -> FREE!
  • November 03, 2015 Price increase: FREE! -> $0.99
  • June 14, 2019 New version 3.5
  • June 14, 2019 Price decrease: $0.99 -> FREE!
  • June 16, 2019 Price decrease: $0.99 -> FREE!
  • October 02, 2019 Price increase: FREE! -> $0.99