# TI-84+ Graphing Calculator Program Help?

There is no native way to check if a string has been defined in TI-Basic.However, what you could do is used a custom list along with the string, and use the list to check if the string has been def...
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http://answers.yahoo.com/question/index?qid=20130427154030AA65X5D

## How to Make a Simple Math Program on Ti 83 Graphing Calculator?

PRGM MenuThis is a step by step tutorial on basic programming on the TI-83 graphing calculator.

http://www.wikihow.com/Make-a-Simple-Math-Program-on-Ti-83-Graphing-Calculator

## How to: TI-84 Graphing Calculator?

A TI-84 graphing calculator can do a lot more than just addition and subtraction. You can take complicated linear equations and graph them using a program installed on the calculator. The associate...
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http://www.ehow.com/how_8508228_ti84-graphing-calculator.html

## How to Use a TI 83 Plus Graphing Calculator?

While the multitude of buttons may look daunting at first, TI calculators are actually quite easy to use. Follow these instructions for relatively basic operations with the calculator.

http://www.wikihow.com/Use-a-TI-83-Plus-Graphing-Calculator

## How to Put Games on Your TI 83/84 Graphing Calculator?

A TI 83/84 can be your best friend when it comes to Pre-Calculus and Calculus. But, it can also be your best friend in those boring moments in life. How can this be? You can put games on your TI 83...
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http://www.wikihow.com/Put-Games-on-Your-TI-83/84-Graphing-Calculator