Practical And Mental Arithmetic: On A New Plan, In Which Mental Arithmetic Is Combined With The Use Of The Slate ...With Exercises For The Slate...To Which Is Added, A Practical System Of Book-Keeping
Practical And Mental Arithmetic: On A New Plan: In Which Mental Arithmetic Is Combined With The Use Of The Slate: Containg A Complete System For All Practical Purposes; Being In Dollars And Cents
Practical And Mental Arithmetic: On A New Plan In Which Mental Arithmetic Is Combined With The Use Of The Slate, Containing A Complete System For All ... For The Slate. To Which Is Added, A Pra