Clive Sinclair recognised for its importance in the early days of the British home computer industry. Sinclair Research also produced the TV80, a flatscreen portable mini television utilising an ingenious cathode ray tube however, LCD television technology was in advanced development and the Sinclair FTV1 (TV80) was a commercial flop, only 15,000 units being produced. Knighted in 1983, Sinclair formed Sinclair Vehicles and released the Sinclair C5, a battery electric vehicle that was also a commercial failure. Since then Sinclair has concentrated on personal transport, including the A-bike, a folding bicycle for commuters that weighs and folds down small enough to be
Sinclair Scientific fraction of the cost of competing calculators. In 1972, Hewlett-Packard launched the HP-35, the world's first handheld scientific calculator. Despite market research suggesting that it was too expensive for there to be any real demand, production went ahead. It cost (about ), but despite the price, over 300,000 were sold in the three and a half years for which it was produced. From 1971 Texas Instruments had been making available the building block for a simple calculator on a single chip and the TMS0803 chipset appeared in a number of Sinclair calculators. Clive Sinclair wanted to design a calculator to