Products details:

Item code: 1917
Model no: FX 991ES
Type: Scientific calculator
Brand: Casio
2 Way power
10 digit
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
Color: As given picture