The Ti 83 graphing calculator can be bought from various retailers online at a premium price. You can also download a ti 83 graphing calculator program on tech and game site online simply by doing a google search. The ti 83 graphing calculator allows you to lots of stuff including function graphing, polar/parametric/sequence graphing modes, statistics, trigonometric, and algebraic functions.All of these require formulas you can get off web sites or lear at from school. This calculator is very avanced and alows you to do some amazing mathematical problem solving. Although the basic ti83 graphing calculator does not include as many calculus functions, applications and/or programs can be downloaded from various websites that allow for them. You can do charts for pretty much anything. You just type in the coordinates, and then the function and tadaah your problem is SOLVED. Imagine in the old days you would be on sobummed.com if you had to do this manually on paper. That would be hectic! Thank god for Texas Instruments who created the Ti 83 Graphing Calculator
