John Greig (mathematician)

John Greig (1759–1819) was an English mathematician. He died at Somers Town, London, on 19 January 1819, aged 60.

He taught mathematics and wrote:

• The Young Lady's Guide to Arithmetic, London, 1798; many editions, the last in 1864.
• Introduction to the Use of the Globes, 1805 ; three editions.
• A New Introduction to Arithmetic, London, 1805.
• A System of Astronomy on the simple plan of Geography, London, 1810.
• Astrography, or the Heavens displayed, London, 1810.
• The World displayed, or the Characteristic Features of Nature and Art, London, 1810.