Any retired teachers out there know where to find an "E-Z Grader Self Adding Average Finder?"?
I have spoken with the company, the item was discontinued long ago.
I live among an Old Order Amish Community, and my neighbor is one of the teachers. He has used this device for years, but it has broken and he would like to have a replacement of some kind.
Of course, using a computer or calculator is not an option, but go ahead and have a giggle if you must.
Any ideas?