This document summarizes and compares two graphing calculator apps: Quick Graph and GraCalc. Quick Graph allows users to graph equations in both 2D and 3D, rotate 3D graphs, and export graphs via email. It includes tutorials explaining features. While free, it does not graph implicit equations or inequalities. GraCalc can graph up to 4 equations simultaneously but only in 2D and does not include 3D graphing or shading. It provides reference material from algebra to calculus and displays a table of values.

2.  Free!
 Portable!
 Easy to Use!

3. Claim Strongly Agree Disagree N/A
Agree
The directions are clear
X
and easy to follow
Users can easily resume
where they left off in the X
program
The graphic elements are
meaningful and X
appropriate
Basic tasks are easily
X
learned and intuitive
Menu-driven tutorials are
X
built into the program

4. Claim Strongly Agree Disagree N/A
Agree
The directions are clear
X
and easy to follow
Users can easily resume
where they left off in the X
program
The graphic elements are
meaningful and X
appropriate
Basic tasks are easily
X
learned and intuitive
Menu-driven tutorials are
X
built into the program

5. Pros Cons
1. Graphs in 2D and 3D and 1. Will not graph implicit
allows for rotation in 3D. equations in free version.
2. Graphs equations AND 2. Does not provide a table of
inequalities from algebra to values.
calculus. 3. No reference library.
3. Appropriate coordinate 4. No equation solver.
system is implied from the
equation.
4. Plots up to 6 equation
equations on the same
graph.
5. Allows user to export graphs
by e-mail.

6. Pros Cons
1. Saves and graphs up to 4 1. Will not graph 3D
2D equations equations in free
simultaneously within version.
app. 2. Does not graph
2. Reference material
inequalities.
available from Algebra
3. Will not shade on the
to Calculus.
3. Displays a table of graph.
values. 4. No option to save
4. Includes a triangle and outside of app.
polynomial solver.
5. Includes a unit converter.

7. Quick Graph GraCalc
Compatible with iPhone, Compatible with iPhone,
iPod touch, and iPad iPod touch, and iPad
Requires iOS 3.0 or later Requires iOS 4.0 or later
Size: 4.5 MB Size: 3.1 MB
Version: 2.2 Version: 4.21
Updated: Sept 7, 2011 Updated: Jan 11, 2012

8. Quick Graph!
 This app is the most versatile in graphing equations in
both 2D and 3D.
 Users are able to rotate 3D graphs to gain a better
understanding of the shape of the graph which is useful
for calculus students.
 Provides users with the ability to export their graphs by
e-mail and turn in their work to the instructor.
 Includes an extensive tutorial with explanations of each
the features included in both the free and paid version.