Sinclair C5 "a delightful toy" "The Daily Telegraph" described it as "a cleverly-designed 'fun' machine that can hardly be regarded as serious, everyday all-weather transport", while "The Engineer" viewed it as "a smashing big boy's toy, tough enough to take teenage thrashing and possibly a serious vehicle for fit adults to nip out in for the Sunday papers". On the plus side, the C5's handling characteristics were praised by reviewers. "The Guardian" called it "very easy to master once you have become familiar with the under-thigh handlebar steering and the semi-recumbent driving position with feet on bicycle-type pedals." The "Daily Mirror" described
Sinclair Executive consumption, creating issues with the reliability. The Executive Memory was launched in November 1973, with the same physical dimensions as the original, but with the ability to memorise subtotals from any number of chain calculations. There were at least 3 versions, including the black and white Type 1, and the Type 2 with a gold keyboard. The Executive Memory sold at the lower price of . Sinclair Executive The Sinclair Executive was the world's first "slimline" pocket calculator, and the first to be produced by Clive Sinclair's company Sinclair Radionics. Introduced in 1972, there were at least two different versions