[0]~ [9] [00] | :Numeral keys | ||
[.] |
| :Decimal point key | |
[+] |
| :Add key | |
| :Subtract key | ||
[×] |
| :Multiplication key | |
[÷] |
| :Division key | |
[=] |
| :Equal key | |
[%] | :Percent key | ||
[MS] | :Memory subtotal recall key | ||
[MT] | :Memory total clear key | ||
[M+] | :Memory plus key | ||
:Memory minus key | |||
[D/#] | :Date/Number key print key | ||
[ | ] | :Paper feed key | |
[ | /S] | :Subtotal key | |
[C/CE] | :Clear last calculation/Clear last entry | ||
[ | ] | :Back space key | |
[+/- ] | :Inverts sign of the displayed number at | ||
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| Key entry | |
[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) |
= A+(A(3/100))
:Prints TAX / excluded TAX(TAX=3)
| A | TAX- | = A - A (1+3/100) | |
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| = A / (1+3/100) |
[∆%] | :Prints difference (Computes the % | |||
| of change between two values) | |||
| A | ∆% | B | = B - A |
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| = (B - A) / A |
| A | ∆% | B | +/- = - (B + A) |
[*/T] | : Total key | = - (B + A) / A | ||
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