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Ti-84 Plus Graphing Calculator For Dummies, 2nd Edition by C. C. Edwards, Jeff McCalla

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Chapter 7

The Angle and Test Menus

In This Chapter

arrow Converting between degrees and radians

arrow Entering angles in degrees, minutes, and seconds

arrow Converting rectangular and polar coordinates

arrow Overriding the angle mode of the calculator

arrow Comparing numbers using the Test menu

arrow Testing equivalent expressions

“What mode is my calculator in?” I used to get that question all the time in my classroom. If you have the TI-84 Plus C, a quick glance at the top of the Home screen informs you of your most important mode decision: Radian or Degree mode? That’s the question. It’s likely that your Physics teacher needs your calculator in Degree mode and your Pre-calculus teacher wants Radian mode. How can you make everyone happy?

The reality is you need to be able to change the mode to fit the needs of the class you’re in. In this chapter, I show tips on converting angles, expressions, and coordinates to the ...

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