Clive Sinclair, inventor of the first pocket calculator and first pocket TV, showed off his almost pocket computer, the ZX80, at CES. Sinclair has beefed up the ZX80, introducing a $39.95 8K BASIC chip and $99.95 16K RAM add-on module. The 8K BASIC has log, trig and other functions; graphics; and floating point arithmetic to nine-digit accuracy. A template slips on top of the keyboard to match it to the new commands.
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