Sinclair President [SEP] manufacturer
Sinclair President
The Sinclair President is a calculator released by Sinclair Radionics in early 1978. There were two models, the President and the President Scientific. They were among the last calculators produced by Sinclair, and their large size was in contrast to the smaller, earlier models, like the Sinclair Executive, which made the company famous. The President models were related to the Sporting Life SETTLER, a calculator designed for specifically for betting shops.
History.
It was launched in early 1978, at the price of .
Earl of Caithness (died 1582) (resigned 1545)
- John Sinclair, Master of Caithness ( – Sep 1575)
- George Sinclair, 5th Earl of Caithness (1566–1643)
- George Sinclair, 6th Earl of Caithness (died 1677) (resigned 1672)
- John Campbell, 1st Earl of Breadalbane and Holland (1633–1717) (resigned 1681)
- George Sinclair, 7th Earl of Caithness (died 1698)
- John Sinclair, 8th Earl of Caithness (died 1705)
- Alexander