The normal mental arithmetic
Subtitle: a thorough and complete course by analysis and induction
By: by Edward Brooks...
Edition: Rev. ed. with a treatise on mental algebra.
Publisher: Sower, Potts & co.
Published: 1869
Place of publication: Philadelphia
Language: eng
Number of pages: 168
Subjects: Mental arithmetic.
Other titles: Theodore P. Hill collection of early American mathematics books.