Amazon
TrueLogic Algebraic Entry 2 Line LCD display shows both sum and answer A total of 240 functions Slide on protective plastic case Screw fixed battery cover (2 x LR44 included)
TrueLogic Algebraic Entry 2 Line LCD display shows both sum and answer A total of 240 functions Slide on protective plastic case Screw fixed battery cover (2 x LR44 included)