Thickness of circles is greater than that of the form board recesses for easy tactual identification. This product can be used by students to construct geometric and other mathematical figures necessary for the study of arithmetic, algebra, geometry, trigonometry, and calculus. The board measures 18 x 19 x 1 inches. Although this kit has been discontinued, APH still makes the print manuals available. This is a practice checkbook that is printed with raised lines on regulation checkbook paper and interleaved with plain braille paper for stub record keeping.
Entire booklet is bound in perfect binding, and checks are perforated for easy detachment.
Each booklet contains 50 checks and stubs. This is a program to teach students tactile graph reading. Please see page 163.