Reversing Sinclair's amazing 1974 calculator hack - half the ROM of the HP-35
Register-level simulator of the Sinclair Scientific calculator
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Register-level simulator of the Sinclair Scientific calculator
The whole business of invention is nonmaterial. his fascination with gadgets started at school and, by his late teens, he was selling his own electronic kits by mail order and writing technical manuals. he then put a magnifying bubble over each digit to make it visible. this saw him launch his first pocket calculator in 1972. soon, competition from cheaper japanese versions forced him to slash prices. the failure of his next innovation — a digital watch — brought his company to its knees. undaunted, he set up sinclair research, and in 1980 launched a personal computer the zx80 - that was g...
It's very hard to know why it gives such pleasure. clive sinclair's fascination with gadgets started at school and by his late teens, he was selling his own electronic kits by mail order and writing technical manuals. he then put a magnifying bubble over each digit to make it visible. an obsession with miniaturisation saw him launch the words fist slimline pocket calculator in 1972 — soon, though, competition from cheaperjapanese versions forced sinclair to slash his prices. then the failure of his next innovation, a digital watch, brought his company to its knees. undaunted, he set up sincl...
Brought his company to its knees. undaunted, he set up sinclair research and in 1980, launched a ground—breaking personal computer, the zx80. it sold for under £100. it was the zx spectrum with its colour display that was his biggest success, credited by some with launching the uk's computer and video games industries. more money had been poured into his obsession with a new form of urban transport. the sinclair c5, launched in the freezing winter of 1985, became something of a national joke and many critics complained it was unsafe on busy urban roads. you try some things and they succeed ...
Rory cellan—jones, reports. his drive and enthusiasm made him one of britain's best known inventors. the whole business of invention is a non—material thing. it's very hard to know why it gives such pleasure. clive sinclair's fascination with gadgets started at school and by his late teens, he was selling his own electronic kits by mail order and writing technical manuals. file: he then put a magnifying bubble over each digit - to make it visible. an obsession with miniaturisation saw him launch the words fist slimline pocket calculator in 1972. soon, though, competition from cheaperjapane...