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[0]~ [9] [00] | :Numeral keys |
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[.] |
| :Decimal point key |
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[+] |
| :Add key |
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| :Subtract key |
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[×] |
| :Multiplication key |
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[÷] |
| :Division key |
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[=] |
| :Equal key |
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[%±] | :Percent key |
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[MS] | :Memory subtotal recall key | |||||
[MT] | :Memory total clear key | |||||
[M+] | :Memory plus key |
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:Memory minus key |
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[D/#] | :Date/Number key print key | |||||
[ | ] | :Paper feed key |
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[ | /S] | :Subtotal key |
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[C/CE] | :Clear last calculation/Clear last entry | |||||
[ | ] | :Back space key |
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[ | ] | :Inverts sign of the displayed number at | ||||
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| Key entry |
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[TAX+] or | :TAX+ Calculates the amount, using the | |||||
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| stored rate, and adds it to the original | ||||
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| price before tax |
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| TAX- Calculates the amount of tax | ||||
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| to be deducted (using the stored tax | ||||
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| displayed value to find the | ||||
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| sales amount |
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| Prints TAX / Included TAX (TAX=3) | ||||
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| A | TAX+ | = A(3/100) | ||
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| = A+(A(3/100)) | |
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| Prints TAX / excluded TAX(TAX=3) | ||||
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| A | TAX- | = A - A (1+3/100) | |
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| = A / (1+3/100) | |
[∆%] | :Prints difference (Computes the % | |||||
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| of change between two values) | ||||
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| A | ∆% | B | = B - A |
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| = (B - A) / A |
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| A | ∆% | B +/- | = - (B + A) |
[*/T] | : Total key |
| = - (B + A) / A | |||
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[COST] [MARGIN] [SELL] :Used for calculating the cost,