Complete Course of Oral and Mental Arithmetic : Designed As A Handmaid to Written Arithmetic in Every Stage of the Pupil's Progress (1864)
, by Easton, William- ISBN: 9781437450392 | 1437450393
- Cover: Paperback
- Copyright: 1/31/2009
Containing Also The Examination Paper In Mental Arithmetic, Set To Students In Training Colleges At The Christmas Examination Of 1863, With Hints Regarding Its Working.