Casio GX-16S

16 digits

Regular percent
Regular percentage calculations.

Solar & Battery
Solar-powered when light is sufficient, battery-powered when light is insufficient.

Key rollover
Key operations are stored in a buffer, so nothing is lost even during high-speed input.

Extra Large display
A larger display makes more data easier to read.

Plastic keys
Designed and engineered for easy operation.

Mark-up
All the mark-up capabilities of an adding machine for simplified cost and profit calculations.