Some good websites are www.tiwizard.com or www.ticalc.org those are the best ones, i use them
http://sites.Google.com/site/nxwkevstisoftware/
No. I believe TI83+ and TI84 do use an operating system.
Short answer; you can't. But you can purchase (or borrow) a TI84 calculator and use the TI83's transfer cable to transfer data from the 83 to the 84 to your mac computer (the TI84 comes with a USB transfer cable).
On my graphing calculator, a TI84 Plus, I can enter the equation into the Y= (a button) and then graph it by hitting the Graph button.
Either press the carat button followed by a 3 or go to the math function and select cubed.
There are many things one can do on the Find-Games website. On the Find-Games website, one can do things such as locate different games for children and learn about games for children.
you can find prehacked games at arcadeprehacks.com or prehackshub.com
I believe that that isn't possible unless you have it ported to ti84 or you know how to. the file format is different, and the game is built for a separate calc.
you can find some games at www.wwe.com/play/games i think it is
There are many places to find good games to play. One can find good games to play at popular on the web sources such as OMG Pop, Addicting Games, and Yahoo! Games.
eb games
A child can find free Disney games in the Games section of the Disney website. It is also possible to find Disney games in eh Games section of the Disney Channel website.
I would say you find city games at Game Stop.