* Mini Desk Type

* 12 digit

* Cost/Sell/MarginCalculate the cost, selling price, or margin of profit on an item, given the other two values.

* Two-way power (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 displayLarger display makes more data easier to read.

* Plastic keysDesigned and engineered for easy operation.