|This powerful instruction tool perfectly emulates the keyboard, display
and functions of the regular APOTHECALC. It can be placed on the stage
of any standard overhead projector with the keyboard area and display
viewable in any size classroom.|
182mm (7-18") x 114mm (4-1/2") x 8mm (5/16") | Power source: solar cell.
Stokes Publishing ApotheCalc Apothecary Calculator