Casio Calculator fx-991ES PLUS

Product features
Non Programmable
Non Graphing
Number of Functions : 417
Product type
Non Programmable
Non Graphing
Number of digits
10 + 2 digits
Liquid crystal display
Natural textbook display
Dot matrix display
Key characteristics
Plastic keys
Key functions
Negative Sign
Power Off
Memory
Variables: 9
Independent Memory (M / M+ / M-)
Answer Memory
Memory Protection
Reset Function
Power supply
Solar & Battery
Approximate battery life Main 3 years
Auto Power Off
Accessories
Hard Case