Big display
Big, easy-to-read display.

Key rollover
Key operations are stored in a buffer, so nothing is lost even during high-speed input.
Cost / Sell / Margin
Calculate the cost, selling price, or margin of profit on an item, given the other two values.
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.

Function command signs
A symbol (+, -, ×, ÷) on the display indicates the status of operation you are currently performing.