Search results
Results From The WOW.Com Content Network
This is a list of calculators produced by Clive Sinclair's company Sinclair Radionics: Sinclair Cambridge. Sinclair Cambridge Scientific; Sinclair Cambridge Memory;
The following table compares general and technical information for a selection of common and uncommon Texas Instruments graphing calculators. Many of the calculators in this list have region-specific models that are not individually listed here, such as the TI-84 Plus CE-T, a TI-84 Plus CE designed for non-French European markets.
The EC-130 sold for $2,200 (equivalent to $21,900 in 2023), or about three times the price of comparable electromechanical calculators of the time. It was the first calculator to use reverse Polish notation (RPN), which eliminated the need for parentheses to specify the order of operations in complex calculations. The successor model EC-132 ...
The Sinclair Scientific was a 12-function, pocket-sized scientific calculator introduced in 1974, dramatically undercutting in price other calculators available at the time. The Sinclair Scientific Programmable , released a year later, was advertised as the first budget programmable calculator.
The parts, consisting of the TMS1802 chip, 22 transistors, 50 resistors and 17 capacitors, cost close to £10, compared with a sale price of almost £80. [10] The Executive impressed the engineers at Texas Instruments, who had used the same chip to produce a longer and wider calculator that was over three times as thick and a great deal more ...
The Sovereign was one of the last calculators produced during Sinclair's foray into the calculator market that had started with the Sinclair Executive in September 1972. [1] The Executive had retailed for £80 when introduced, but in little over a year it was possible to purchase a Sinclair calculator for £20 and by November 1976 a model was ...
The Wrist Calculator was launched in February 1977 by Sinclair Instrument, a company established in parallel to Sinclair Radionics when the latter started to encounter financial difficulties. [ 1 ] It was only available as a mail-order kit, and cost around £11 .
The Cambridge had been preceded by the Sinclair Executive, Sinclair's first pocket calculator, in September 1972.At the time, the Executive was smaller and noticeably thinner than any of its competitors, at 56 by 138 by 9 millimetres (2.20 in × 5.43 in × 0.35 in), fitting easily into a shirt pocket.