Panarithmologia [electronic resource] : or, the trader's sure guide. Containing exact and useful tables, ready Cast up, Adapted to the Use of Merchants, Mercers, Bankers, Drapers, Goldsmiths, Grocers, Brewers, Weavers, And Haberdashers. And All that Deal by Wholesale, or Retale. Also, for Carpenters, Bricklayers, Joyners, Glaziers, Plaisterers, Plummers, And Painters. And All other Mechanicks. As, Likewise, For all Purchasers of Houses or Lands: Shewing the Interest of Money, at 3, 3 and 1/2, 4, and 5 Pounds per Cent. from 1 Shilling to 1000 Pounds, and from 1 Day to a Year. To which is added, a table of commission, or Brokage, for 1/8, 1/4, 3/8, 1/2, 5/8, 3/4, 7/8 and 1 per Cent. The eighth edition. By William Leybourn.