Sinclair Sovereignとは 意味・読み方・使い方

The Silver Sovereign was a high-end calculator introduced by Sinclair Research Ltd of the United Kingdom in 1976, it was one of the last Sinclair calculators. The Sovereign came in silver and gold plated models, with leather pouches and fitted wooden cases. The display can view 8 digits using red light-emitting diodes (LEDs), and includes four functions for percentage, memory, square root and square. It uses two 2.5 volt button cells and uses a Mostek MK50321N main integrated circuit (IC). Similar to other Sinclair products and calculators, the Sovereign was small and slim measuring 36 x 141 x 12 mm (1.4 x 5.6 x 0.5 inches).