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TI Programmable 58 - powerful but always losing memory
 11/23/13
 This calculator was a milestone in terms of programming capabilities, but not a success.
 It was soon (1.5 years later, 1979) replaced with a similar calculator model but with a persistent memory - the TI-58C.
 There was also a big brother with more memory and a magnetic stripe reader, the T
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SNES (PAL) and a rare NTSC cartridge "Frogger"
 11/17/13
 Friends of casual games will remember one of the most famous classics: Frogger.
 For Super Nintendo (SNES), this game was selled only in the U.S. / Canada.
 So how can you play it with an european PAL-based SNES ?
 Easy, you need only an adapter, which reports a PAL cartridge to th
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Texas Instruments SR-51-II ... a more complex calculator than you think
 11/07/13
 This was a mixture between an older SR-51A and the later TI-55, it's inner electronics is more complex than comparable other TI models of the same decade.
 My own one is working, but in a less desirable condition, around the power switch, painting is already gone. Also, I had to open it bec
 
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TI Programmable 58 - powerful but always losing memory
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