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(MM-DD-YYYY). In Date mode, MT key changes to Start Date key,
M- key changes to End Date key, M+ key changes to Number of
Days key and MS key changes to Compute key.
10. [COST] Cost Key
Used to enter the Cost factor in a Gross Profit Margin calculation.
11. [SELL] Sell Key
Used to enter the Selling price in a Gross Profit Margin calculation.
12. [MARGIN] Margin Key
Used to enter the desired Margin in a Gross Profit Margin calculation.
13. [RATE] TAX Rate Preset Key
Used to enter TAX rate.
14. [TAX 1/Amortication] Tax 1/Amoritization Key (dual operation)
Tax 1: Calculate an amount of tax with tax rate preset by RATE key. Use +
key for calculating an amount including VAT, and – key for calculating
an amount excluding VAT.
Amortization: Prints the amortization schedule for a period, selected range of periods
or the complete term of the loan.
15. [TAX 2/FV] Tax 2/Future Value Key (dual operation)
Tax 2: Calculate an amount of tax with tax rate preset by RATE key. Use +
key for calculating an amount including VAT, and – key for calculating
an amount excluding VAT.
FV: If this key is pressed after 10-key input, it means enter the value as FV.
If Amount, Interest, Months and Payment are entered in prior, or
modification is done on any of the three as above in prior, user can
calculate/recalculate the FV by pressing this key.
16. [→] Right Shift Key
Deletes right most character of a live entry.
17a. [N]
Item Count Key
Model 1570-6
Calculations with item count and/or averaging. Also used to set the N
count to Gross or Net.
18. [+/-] Sign Change Key
Reverse the sign on the display.
19. [%+] Percent Key
Completes percent calculation when Multiple or Division key is used.
20. [÷] Division Key
The Division key performs division, automatic constant division and
intermediate sequential operations. It establishes the next amount as a
constant divisor. The ÷ key also causes the calculator to divide when