A now outdated but still useful graphing calculator. Cannot be purchased anymore, replaced with ti-83+. Commonly used to play games in class or cheat on tests by typing in your notes (you know you did). Less powerful than ti-89 but quite perfect for High School use.
So I typed up my notes on my ti-83 last night. Want a copy?
by BKred January 19, 2004
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a calculator that if you learn how to make games for, everyone will call u a nerd forever

i wish i never learned how to make ti-83+ games
"look at that nerd playing with his ti-83"
by stupidman August 25, 2006
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Calculator for lazy students in high school who can't graph, want to play addictive and fun games in class and/or want to cheat on their tests.

Graphing calculators make students lazy and makes them insecure about their innate potential.
Average student: Wait! I can't graph y=x and y=sin(x) without my trusty Ti-83.

Intelligent, hard-worknig, and confident student: graphs the equations long before the average student keys in the first equation on his/her graphing calculator.
by RC April 6, 2006
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the act of a teacher deleting all the games from a Texas instrument calculator
John "can i play block man on your ti-83"
Pete "sorry man, Mr. Z ti-83 blocked us"
by thekingmoomoo7 December 5, 2009
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