Monday, January 25, 2016

Video: Combinations vs Permutations

This short video explains the difference between combinations and permutations.

Link:  https://www.youtube.com/watch?v=Pj3sowlVbec

Eddie
at
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TI-60 and HP 65: Distance by Stadia Tacheometry

TI-60 and HP 65: Distance by Stadia Tacheometry Introduction The stadia calculation measures the distance from the level or theod...