What is Ti89?
1.
a high-end graphing calculator from Texas Instruments capable of 3D graphing, computing definite and indefinite
a: did you get that second problem from last night's homework?
b: yea, of course.
a: how? we didn't learn how to integrate logarithmic functions yet!
b: we didn't but my ti89 did!
a: you bastard!
2.
The Holy Grail of
Kim : I looked up Calculator in the dictionary the other day, and it wasn't defined!
Tom: What do you mean?
Kim: All it said was: See Ti89.
See