THE PRIVATE INSTRUCTOR, OR MATHEMATICS SIMPLIFIED: COMPRISING EVERY THING NECESSARY IN ARITHMETIC, BOOK- TO FORM AND COMPLETE THE MAN OF BUSINESS THE WHOLE UPON AN IMPROVED PLAN, NOT ONLY ADAPTED TO PRIVATE INSTRUCTION, BUT ALSO TO THE USE OF SCHOOLS. "He that is ignorant of numbers is scarce half a man.' CHARLES XII, OF SWEDEN. BY JASON M. MAHAN, MATHEMATICIAN, NEW ITALY, CHESTER COUNTY, PENNSYLVANIA. Harrisburg: PRINTED FOR THE AUTHOR, BY SAMUEL KLING. 1835. 1 |