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Larger display makes more data easier to read.

Solar powered when light is sufficient, battery powered when light is insufficient.

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

Designed and engineered for easy operation.

Tough cover stands up to rough treatment.

The degree of display can be adjusted freely.

Regular percentage calculations.

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