When writing a recent piece about Reverse Polish Notation, or RPN, as a hook for my writing I retrieved my Sinclair Scientific calculator from storage. This was an important model in the genesis of ...

Wow. Seriously… Wow! The work [Ken Shirriff] put into reverse engineering the Sinclair Scientific is just amazing. He covers so much; the market forces that led [Clive Sinclair] to design the device ...

Clive Sinclair, who invented the Sinclair ZX Spectrum, an early personal computer, died of cancer Thursday at age 81, his family confirmed. Sinclair was an inventor with an impressive list of ...

Sir Clive Sinclair needs no introduction, at least not to those of us who’ve been in the industry for a while, or are familiar with 1970s-era calculators and 80s-era computers. An entrepreneur since ...