Sell Casio Calculator 991es Fx-991es Plus FX991es Plus Edition-2 - Genuine & Original With Free ball pen best price

Casio Calculator Casio Fx-991es Plus - Genuine & Original New equation mode Random integers Fraction calculations Combination and permutation Statistics (List-based STAT data editor, standard deviation, regression analysis) 9 variables Table function Comes with new slide-on hard case Equation calculations Integration/differential calculations Matrix calculations Vector calculations Complex number calculations CALC function SOLVE function Base-n calculation