Rapid Arithmetic: Quick and Special Methods in Arithmetical Calculation

Arithmetic for Business With Short Methods and Rapid Calculations in All Fund...

Arithmetic for Business With Short Methods and Rap

Arithmetic for Business With Short Methods and Rapid Calculations in All Fund...

Rapid Arithmetic: Quick and Special Methods in Arithmetical Calculation

Basic Maths for Nurses : Includes Dosage Calculations With Examples, Exercise...

The New Business Arithmetic, 1906 Antique Math Textbook by Powers & Lyons

A Practical Business Arithmetic, for Common Schools and Academies