Sell Casio FX-991 ID PLUS - Scientific Calculator / Mathematics Calculator best price

Casio FX-991 ID PLUs Two way power 451 Functions Full Pacifier Display Keys Plastic Integration / Differential Equation calculation Matrix calculations / Vector calculations Complex number calculation Calc function / SOLVE function Base-n calculation Fraction calculation Combination and Permutation Log metalrithm List-based STAT data editor Standard deviation Paired-variable statistics analysis regression Logical operations Table function 40 scientific constants 40 metric conversions (20 conversion pairs) 9 memory variables Comes with new slide on hard case