Algebra Help Graphing Calculator

Need help with my TI 83 graphing calculator?
Ok I can not find fraction button on my TI 83 graphing calculator if you know where it is so please help me! I have the 2nd to do my Algebra homework!
The TI-83 (Plus) button calculators do not have a fraction, assuming which means a button to write fractions. In scientific calculators, there is often something like ab] [/ c, which allows you to write mixed numbers and such. In a TI-83 (Plus) there is no such button. You'll have to write them out like normal operations division. So the media type, you just type "1 / 2. If there was a mixed number like 3 ¼, you could turn it into a mixed number (13 / 4) or to (3 1 / 4). To convert decimals into fractions, you can use ► Frac command established in [Mathematics]> 1: ► Frac. Make 0.33333333333 ► Frac provide a response in 1 / 3.
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