Manufactured in 1985, this electronic calculator has a 10-digit display and closely resembles the TI-5140 that has a 12-digit display.
Not Albert Einstein @relativity
評価: 1
投稿日: 2016年4月29日
I can add and subtract all day, but my equal key = does nothing except easily press down and pop back up. The machine worked last week, so I'm stymied.
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