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TonyDuell · 11th Nov 2018, 7:20 pm

Normally a rotary (or thumbwheel) switch on such desktop calculators is used to set the number of decimal places. Some machines were fixed point (and always worked to/displayed the number of places set) others were floating point but let you round or truncate to the number of places set on the switch.

11th Nov 2018, 7:20 pm	#9
TonyDuell Dekatron Join Date: Jun 2015 Location: Biggin Hill, London, UK. Posts: 5,208	Re: Sharp Compet 18 Normally a rotary (or thumbwheel) switch on such desktop calculators is used to set the number of decimal places. Some machines were fixed point (and always worked to/displayed the number of places set) others were floating point but let you round or truncate to the number of places set on the switch.