Most Popular Books
- A New System Of Arithmetic, On The Canceling Plan
- Mental Arithmetic: Being an Introduction to His New System of Arithmetic on an Improved Plan
- Burnham's arithmetic, revised: a new system of arithmetic, on an improved plan
- New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of Three, Single and Double, Direct and Inverse; Barter; Loss and Gain; Reduction, Multiplication and Division of Fractions; Excha
- A New System of Arithmetic, On an Improved Plan
