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Calculator Collecting - Sites for Collectors and those Interested in old calculating devices, including electronic calculators, slide rules, wei

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Calculator Collecting

Manager: tattooed_ogre
Sites for Collectors and those Interested in old calculating devices, including electronic calculators, slide rules, weird and wonderful old computing machines.
 

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TI SR-50A - 09/14/2013
http://2.bp.blogspot.com/-5NU5RicWPS0/UjNexKvcYhI/AAAAAAAABm0/IMi9M8y21xI/s1600/ti_sr50a1.jpg

TI SR-50A Funções: Cientifica: (4 operações, +/-, Raíz,%, STO, RCL, X<>Y, trig.,log, ln, etc) Alimentação: Battery pack BP1A Consumo: nd Visor: LED de 10 + 1 dígitos + EE Made in Holland Data de fabrico: 1976 ( 10 76 ACH) Nº série:9307179 Estado: OK Peso: 232g (c /baterias) Dimensões: 147 x 79 x 32 mm Forense: Algoritmo de Mike Sebastian: asin(acos(atan(tan(cos(sin9))))) = 9.0000046613 Para mais informações sobre este teste: http://www.rskey.org/~mwsebastian/miscprj/forensics.htm



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