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.
A fraction tells you how many parts of a whole there are. When you find a fraction of an amount, you are working out how much that 'part' is worth within the whole. You can see fractions of ...