6
√
Extracts the square root of a positive number
displayed in the entry register.
MODE
Change mode between the calculator and the
keypad status.
SEND
Send the calculation result to PC when the device
is in calculator mode or in keypad mode.
Fn
Combination key with Tax– and Tax+ function.
When you completed the setting of Tax rate, press
the Fn key with Tax– or Tax+ key; the calculation
result will be changed.
Tax –
Price-less-tax calculation.
Tax +
Price-plus-tax calculation. When Num Off, the
input symbol will be “=”.
Special Function:
Normally, when users input numbers from a USB
keypad, the notebook’s Num Lock function will
be enabled as well. Users have to disable Num
Lock function before inputting characters from a
notebook. The enable and disable process will
