The lightning calculator
Subtitle: a truly valuable book, containing the most practical processes for rapid addition, four new forms of multiplication, rapid processes of squaring and cubing, and numerous short, practical rules of arithmetic, together with his amusing & instructive parlor feats, &c, &c
By: by Professor Hutchings
Publisher: Jones
Published: 1869
Place of publication: London, Ont
Language: eng
Number of pages: 12