User's Manual

5
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:
This new keypad has no synchronized problem; users can use the
keypad and inputting characters from a notebook at the same time.
Especially, it doesn’t need any drivers and fully support Plug &
Play.