very good. i use for my high school class, just learning. Need the user guide to figure out how to use it!, i like it but its really hard to use, gra=easdf askdf tkt te ele t tltl sdksfjt skd thek . Sdlfkjt gtkjlsd tktjslkdjf j , its alrite item. I like it, they are great, i haven't use calculator yet, i like it.
i havent used it yet!, good calculator. it's not user friendly for applications.. Easy to use and contains good graphics., the ti-89 is a very good tool, but can be confusing to understand at first., it is a good machine.. Very good once you learn what it can do, cant figure it out. Very useful., give an oppinion, this instrument has truly been helpful., i lost the manual and can't figure this out for anything!
i like the unit but do not like the screen format , i like it. Hjgilkg jhoihoih hjlihikhilp., sucks to use, don not have one. Old and difficult, it is an excellent tool. It is a great calculator, need instructions, great calculator
, i enjoy the good construction and reliability of the pixels..
i think it would be nice to have a color screen
, great calculator. I like the ccalc it has been easy for me to use.
, great tool, works great. Works great, never used it. Well made, we are still learning to use this calculator., i have had the ti 89 for a few years now and it is durable, reliable and ageless., it don't work
works well most of the time., just bought it, hard to judge if calculator isuser friendly. . Looks easy
, not bad for the price, not bad for the price.. Not bad for the money, great calculator. I forget how to use some of the functions if i haven't used them daily. lost my user guide--hope i can download user guide to my computer so i can look up what i need to do., best ever!