A New And Plain System Of Arithmetic

Containing The Several Rules Of That Useful Science, Concisely Defined And Greatly Simplified, The Whole, Particularly Adapted To The Easy And Regular Instructi... » 

Containing The Several Rules Of That Useful Science, Concisely Defined And Greatly Simplified, The Whole, Particularly Adapted To The Easy And Regular Instruction Of Youth, And To The Trade And Commerce Of The United «