dwj-digest (Diana Wynne Jones) V1 #929

Charles Butler hannibal at thegates.fsbusiness.co.uk
Sun Dec 19 18:04:31 EST 2004

> Slide rules I remember, but - like most of my maths minor - only the
> appearance remains!

Did anyone else have to use those strange calculating machines - the name of
which now entirely escapes me - which did basic arithmetic functions, but
were entirely mechanical and worked by turning a handle? I had to use them
for a couple of years back in the early '70s, before electronic calculators
(the size of housebricks) superseded them?


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