Check out
our website!
www.nvcc.edu/woodbr
idge/computer-lab
Contact Us
Location: Open Computer Lab
Seefeldt Building #336
NOVA Woodbridge Campus
Hussna Azamy
(OCL Supervisor)
Phone: 703-878-5714
E-mail: [email protected]
Hamna Chaudhri
(OCL Trainer)
Phone: 703-878-5713
E-mail: [email protected]
© Copyright 2014: Northern Virginia Community College - Woodbridge Open Computer Lab
Compatibility: All of the calculator apps (except for GoodGrapher) presented in this tutorial
are free and compatible with iOS, Android, and Windows mobile devices. GoodGrapher is only
compatible with iOS devices.
Calculator +: A calculator app for performing simple mathematical calculations.
Display Area
Function Buttons
Good Grapher: A powerful graphing and scientific calculator which supports both 2D and
3D graphs.
Graphing Options:
Click on the 3 ellipses (…) located on the top left corner of the app to display the graphing
options.

Calculator: Access the regular calculator from here
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Display Area
Function Buttons

2D Grapher: Use this option to draw 2 dimensional graphs. Use the options on the top
right corner to type your coordinates, build a table, copy your graph as a picture etc.

3D Grapher: Use this option to draw 3 dimensional graphs. Use the options on the top
right corner to graph bounds, build a table, copy your graph as a picture etc.
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
Math Solver: Use this option to view instructions on solving valrious mathematical
equations (i.e. linear equations, bionomial equations, polynomial equations etc.)



Settings: Use this option to change the settings of your calculator.
Full Version: Use this option to purchase the full version of the app with more features
Help: Use this option to view instructions on how to use the different features of the app
(i.e. using the calculator, 3D grapher etc.)
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Free Graphing Calculator by Desmos: A powerful calculator enabling you to
perform calculations and draw graphs of mathematical functions.
1. Options menu displays precreated graphs for various mathematical equations (i.e. lines,
parabolas, trignometric functions etc.).
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
Tap on the desired function and select Open Graph to open the graph and make
adjustments to its coordinates as appropriate.
 Tap on New Blank Graph to create your own custom graph
2. Enter a note, expression, image, table etc. to your graph
3.
4.
5.
6.
Enter your expression here
Function buttons
Help option
Graphing area
Free Graph Calculator: This is another app that is used for plotting graphs and solving
equations.
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1. Display area
2. Function keys
3. Menu options:
a. Calculator: Displays the calculator screen
b. Equations: Option to type your equations
c. Graph: Option to graph your equations
d. References: Option for viewing formulas and other references for a variety of
mathematical functions
e. Table: Area for entering data in a table
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f.
Triangle solver: Option for solving traingle problems
g. Polynomial Solver: Option for solving polynomial problems
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