Ti-84 Plus Graphing Calculator For Dummies, 2nd Edition
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With the TI-84 Plus C calculator, you can change the color as well as the graph style of functions on the TI-84 Plus. In this program, the GraphStyle(function#,graph style#) command is used to change the attributes of a function. Entering a function number of 2 changes the graph style of function Y2.There are eight different graph styles: 1=thin, 2=thick, 3=above, 4=below, 5=path, 6=animate, 7=dot-thick, 8=dot-thin.

The GraphColor(function#,color#) command changes the color of a function. There are 15 colors to choose from: 10=Blue, 11=Red, 12=Black, 13=Magenta, 14=Green, 15=Orange, 16=Brown, 17=Navy, 18=LtBlue, 19=Yellow, 20=White, 21=LtGray, 22=MedGray, 23=Gray, and 24=DarkGray.

When using the Graph Color command, you may enter its corresponding number or press [VARS] and the left-arrow key to access the Vars COLOR menu and make a color selection. Of course, the Graph Style and Graph Color commands should be used prior to graphing the function.

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It is OK to leave off the right parenthesis at the end of a command in a program, because the program will take up less RAM on the calculator.

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Jeff McCalla is a mathematics teacher at St. Mary's Episcopal School in Memphis, TN. He cofounded the TI-Nspire SuperUser group, and received the Presidential Award for Excellence in Science & Mathematics Teaching. C.C. Edwards is an educator who has presented numerous workshops on using TI calculators.

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