This is a program for the TI-83 Plus and TI-84 Plus. In order to use it, you must have one of these calculators, a cable to connect it to your computer, and TI-Connect (see preview for link to free download of this program).
If you like this program, please consider purchasing my package of 40 programs here - DIST3D is included: https://www.teacherspayteachers.com/Product/40-Programs-for-TI-83-Plus-TI-84-Plus-SATACT-Algebra-through-Calculus-2493682
Finds the distance diagonally across a rectangular prism, also known as the length of the diagonal of the rectangular prism, also known as the distance in 3 dimensions.
Yes, you are allowed to use this calculator and its programs on the SAT (calculator section) and ACT.
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4 (instructions) + program