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Simply the most convenient, accurate way to perform cost-sell-margin calculations.
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| | Preprogrammed functions solve cost-sell-margin problems; enter any two variables and the third appears instantly. |
| | Automatic constant quickly performs repetitive calculations. |
| | Percent key speeds computation of add-ons and discounts. |
| | Solar power allows operation even in low light. |
| | Large keyboard makes it ideal for desktop or portable use. |