Good alternative to buying TI-83/84 calculator

i really dont feel like buying another TI-83 for math now that im taking more math in college. is there a good program or download i should look into that would give me the same functions of a TI-83 for my MBP?

The MBP has a graph utility called "Grapher". As far as things like sin, tan, roots, and equations it's worth every penny to just buy one. I have taken a lot of advanced math and can tell you those little things are 100% required. Besides, you can use the program feature to store little cheat sheets in for tests.
Check with you local or campus library. Most will lend you one for the semester if you show your schedule showing a math class enrollment...mine did.
Good luck!

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