The TI-83 Plus is Texas Instruments' iconic graphing calculator. By its sales record, it is the most popular graphing calculator ever sold. If you're looking for one, then you'll need to know a few things about it - its hardware, what you can do with it, and who TI intended to use it. The TI-83 Plus was designed in 1999 and released as the successor to the original TI-83. Not much changed between the TI-83 [...] Read more »