Large buttons,1-line LC display with 12 digits Combined battery/solar cell operation with Auto Power Off Basic arithmetic operations (+, -, x, ./.) Memory function (M+, M-, MRC) 0 and 00 key, clear total (C) Decimal point selector (F, 4, 3, 2, 0, ADD) Result rounding (Up, 5/4, Down) Delete last digit Root calculation Percentage calculation Total addition (GT)