Perfect for the majority of student uses: http://www.staples.com/Casio-FX-9750GII-Graphing-Calculator/product_510052?cid=PS:GooglePLAs:510052&KPID=510052 http:

Perfect for the majority of student uses: http://www.staples.com/Casio-FX-9750GII-Graphing-Calculator/product_510052?cid=PS:GooglePLAs:510052&KPID=510052 http://www.staples.com/Casio-FX-9750GII-Graphing-Calculator/... Aside from playing Ti 8* games. I'm not sure what engineers need in a calculator so I can't comment on that, but in my use case (nearly a decade ago) I could have gotten one of these and been just fine. I got a TI83 because it was the standard issue. In my own personal use (scientific calculators for hobbyist purposes) I've switched to Casios since they just have outright nicer displays than the selection of HPs and TIs at Fry's and they cost a bunch less.