Sharing Variables Between Menus
If you compare the MU%C menu and the MU%P menus, you’ll see that they have two menu labels in common — and .
%CHG | %TOTL | MU%C | MU%P |
COST PRICE M%C
COST PRICE M%P
Shared variables
The calculator keeps track of the values you key in according to those labels. For example, if you key in COST and PRICE in the MU%C menu, exit to the BUS menu, and then display the MU%P menu, the calculator retains those values. In other words, the variables are shared between the two menus.
Example: Using Shared Variables. A food cooperative buys cases of canned soup with an invoice cost of $9.60 per case. If the
Keys:Display:Description:
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| | | Displays MU%C menu. | |||||
9.6 |
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| Stores 9.60 in COST. | |||
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15 |
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| Stores 15% in M%C. | |||||
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| Calculates retail price. | |||||||
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What is the markup on price? Switch menus but keep the same COST and PRICE.
e | | | Exits MU%C menu and | ||
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| displays MU%P menu. |
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| | Calculates markup as a | |
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percent of price. |
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3: Percentage Calculations in Business | 53 |
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