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 ...
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.