Woodsman |
08-12-2013 08:43 PM |
Quote:
Calculator? Ah yes, I traded in my slide rule for a Texas Instruments SR-10 within months of it coming on the market.
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I used a slide rule all the way through school. Hand-held calculators came out later.
My first hand-held calculator was a Commodore MM2SR that in 1975 cost approximately $200. The calculator had memory storage, square, square root, and reciprocal functions. The calculator no longer works but I still have the device and original leather case. :)
Second calculator was a TI SR-40, also long ago defunct, now stored in its leather case in a box in the basement.
That was not the first hand-held calculator I saw. My physics teacher had purchased a Heathkit calculator that was as big as a shoe box but nonetheless portable. After he finished soldering and assembling the parts he could add, subtract, multiply, and divide with the new device.
Oh yes --- I still own my one and only Pickett slide rule, model no. N1010-ES, serial no. A1417274, with 17 scales and leather carrying case. Now a conversation piece, although the tool could be useful if the proverbial TEOTWAWKI ever arrived. :)
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