CASIO Calculator MS-20 S 12 Digits

Specifications
DIGIT
12 digits
Two-way power (Solar + Battery)
Solar powered when light is sufficient, battery powered when light is insufficient.
Function command signs
A symbol (+, -, ×, ÷) on the display indicates the status of operation you are currently performing.
Key rollover
Extra Large display
Larger display makes more data easier to read.
Plastic keys
Designed and engineered for easy operation.
Tax & exchange function
Tax calculation and currency conversion functions.
Profit margin percent
" % " key gives quick access to prices and profits, and also delivers add-ons, discounts, ratios and increase/decrease values.
Size of case / Total weight
Dimensions (D × W × H) : 145×103×31.7mm