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I used a slide rule thru most of college. My last year, the HP35 came out. Only the wealthy could afford that (it was over $300 in 1972-73) My first engineering job, no one had calculators but the company did have 2 or 3 HP35s. They were great for trig and square root functions. I used it allot in designing cams and linkages. TI came out with an inexpensive calculator, add/subtract/multiply/divide/square but it lacked the trig functions of the HP. And the TI was not reverse Polish. Gotta love technology. In a short period of time TI came out with a model that matched the HP at a much lower cost.
I might still have my slide rule last used in 1973 -74.
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Jim
1983 944n/a
2003 Mercedes CLK 500 - totaled. Sanwiched on the Kennedy Expressway
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