Students in MATH 1110 will typically be going on to MATH 1180 (for eventual calculus) or MATH 2000 (brief calculus). The TI-83 (not Plus), TI-86, TI-92 and the TI-92 Plus are no longer manufactured.
Apple's Calculator app does more than help you calculate tips. With the latest OSes, it launches on iPad and lets you create a Math Note for more complex problems, among other things.
You can then access your Math Notes from the Calculator app by tapping the calculator icon and selecting Math Notes. From the list of notes, tap the one you want to view. If you have an Apple ...