Friday, April 4, 2014

Three Generations of the BA II Plus



Here is my collection of the BA II Plus calculators I have with the year I bought them typed into each one.


Eddie
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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...