CASIO FX-991ES PLUS 2nd Edition 417 Functions Calculator

General Specifications Two way power 417 Functions Full Dot Display Plastic Keys Integration / Differential Equation calculation Matrix calculations / Vector calculations Complex number calculation CALC function / SOLVE function Base-n calculation Fraction calculation Combination and Permutation Logarithm log List-based STAT data editor Standard deviation Paired-variable statistics regression analysis Logical operations Table function 40 scientific constants 40 metric conversions (20 conversion pairs) 9 variable memories Comes with new slide on hard case Delivery services available