Clavis arithmeticæ: or, a key to arithmetick in numbers and species; wherein arithmetick and algebra are abridged, demonstrated and made easie, ... Collated from the most authentic authors on those subjects, with many improvements and useful theorems, not hitherto extant. Begun by John Parsons, decd. and compleated by Tho. Wastell.
Parsons, John,active 17th/18th century.
Wastell, Tho.(Thomas).
London : printed for Richard Mount and Thomas Page,
1703.
ESTC