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Old 01-02-2012, 08:38 AM
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Jeffkop (Jeff)
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Jeffkop is offline
 
Join Date: Jan 2008
Location: Tuckurimba
Posts: 885
Still have my old slide rule AND the hanimex calculator (1975 vintage) that replaced it. Well sort of replaced it .. we werent allowed to use calculators at school HAHAHAHAHA !!!!
http://www.vintagecalculators.com/HanimexBC900_1.jpg

IT was amazing how accurate a slide rule could be IF you knew how to use it .. 2 decimal places was a breeze and even with a bit of parrallex error
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Last edited by Jeffkop; 01-02-2012 at 05:46 PM.
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