Thread: The "Two Transistor challenge" - taking things a bit too far?
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Old February 19th 14, 08:17 AM posted to uk.radio.amateur,rec.radio.amateur.homebrew
AndyW AndyW is offline
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First recorded activity by RadioBanter: Feb 2014
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Default The "Two Transistor challenge" - taking things a bit too far?
On 18/02/2014 15:21, Phi wrote:
I paid about £180 for an HP35 in 1973, this calculator used reverse
polish notation (no equals key).

HP15C was my best calculator (still use it) its quality is such that it
still sells for £150+ on ebay.
Complex maths, matrix manipulation, polar to rectangular conversion all
in a 1981 calculator. Lovely bit of engineering.

Andy
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