ARITHMETIC OPERATION PANEL FOR THE BLIND

摘要

A composition of Panel used in arithmetic operations for blind. Panel comprising, BASE is a rectangle shape with side barrier to install two pin of jointer and holes to fix panel parts within. FRAME is a rectangle shape installed on panel base with screw and have paths to store Braille cells and hollowed rectangular area at center to place panel bars. BARS a rectangle shape with directory on one side to solve arithmetic problems, and installed on panel base with screw. BRAILLE CELL is in form of cube at top and cylindrical shape at bottom connected together with squared column to prevent leaving its paths in panel. COVER is a rectangle shape with three side barriers and installed with panel base by jointer which can rotate 360 degree angle to minimize the space usage. JOINTER is a rectangle shape with two pins on each side to fix Cover to Base.