Best Calculators for Ti 89

the touch screen is very useful, between the ti89(very useful too) and the classpad, the touch screen makes a huge difference,it makes easier the work...

its faster, smarter, and better equipt then both the voyage 200 and the ti89.

i have tried to use the cas features of high end calculators: ti 89, casio fx 2.0 to solve real algebra problems in my work as a software engineer, but was always frustrated by the difficulty of

it's a great in between for an 83/84 and a ti-89.

the proc is ten times faster than the ti-89 silver edt.

finding graph information with the ti84 and ti89 is far easier and quicker.

this includes interfaces to run assembly applications which are light years faster than ti-basic, an awesome program called omnicalc which adds a lot of features and another program called symbolic

i've got two ti-86's, a ti-92, a ti-80, a ti-89, and on and on.

not like an hp-48, of course, or even a ti-89, but better than most under $30 calculators.

but now that i'm using it i would have rather forked out a few more dollars to get more computing power the ti-89 offers.