A practical system of mental arithmetic, or A new method of making calculations by the action of the mind, without pen, ink, pencil, or paper
Subtitle: illustrated by numerous examples under each rule, and made applicable to the present state of trade and money transactions; enabling persons of an ordinary capacity to make calculations intellectually, and that in one moment, which by the general plans of arithmetic would be difficult and occupy much time. : To which also is subjoined, as an appendix thereto, a variety of contracted examples, in the rules of direct and inverse proportion, commonly called the rules of three and five, regularly arranged and fully illustrated. : Also a precise and easy method of working the rule of three, and other ordinary processes of arithmetic, by logaritmhs [sic], and the method of finding the logarithms of any number fully exemplified. ... : The performance being designed for the man of business, the illiterate as well as the scholar, copious explanatory notes are given throughout the work, and so arranged as to render it equally advantageous for the use of schools, and the private teacher. The causes of each process are fully laid down and an answer given to every problem
By: By John White, preceptor of youth, Philadelphia
Contributors: Heartt, Dennis, 1783-1870, printer; White, John, 1786-1857, publisher; Day, Augustus, bookseller
Publisher: Printed by D. Heartt, for the author
Published: 1818
Place of publication: Philadelphia
Language: eng
Number of pages: 118
Subjects: Mental arithmetic; Arithmetic
Other titles: Mental arithmetic.
Notes: Running title: Mental arithmetic.

Copyright Apr. 15, 1818, by John White.

"To be had of the author, Pine Street, between Thirteenth and Juniper, and at Mr. Day's looking-glass manufactory, 26 South Third-Street."--cover.

Error in paging: p. 97 misnumbered 67.

Last page blank.

"Recommendations."--p. [i-iii].

"Errata."--p. [iv].

"Just published by the same author. The self instructor, or A system of practical arithmetic. ..."--p. [119], and p. [4] of wrapper.

Shaw, R.R. American bibliography, 46791