Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total number of pictures.
Number of toolboxes?
Create a square matrix of multiples
Replace multiples of 5 with NaN
Solving Quadratic Equations (Version 1)
Matlab Basics II - Free Fall
Simple spirometer - find your lung capacity from the number and size of soap bubbles in one breath
Dick Van Dyck?
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