TWEN € 1218 PD
English
17
[TAX +] Tax plus key
This key serves for automatically adding the value-added tax to the basic amount.
[TAX –] Tax minus key
This key serves for automatically calculating from an amount including VAT, the amount of
VAT and the net amount.
[
↑↑↑↑
] Paper feed
As long as you keep this key depressed, the paper advances in the printer.
[ #/D ]
Non-calculate/date
A number entereed will be printed, but not used for any calculation. By entering several
decimal points, you can enter a date (e.g.12.04.2001).
[
√√√√
]
Quadratwurzel
With this key, you calculate the square root.
[ IC ]
Item count
The number of items is printed out. The numbers of positive and negative entries are added
and can be further processed, e.g. for calculating an average.
Zero-key layouts
The calculator is equipped by the factory with the keys
. You can program the
following layouts (use the spare keys caps included in the box):
Þ
Switch the calculator on and press the keys and simultaneously for
about 5 seconds. („L-01“ will be displayed as a confirmation.)
Þ
Switch the calculator on and press the keys and simultaneously for
about 5 seconds. („L-02“ will be displayed as a confirmation.)
Þ
(Original factory setting) Switch the calculator on and press the keys and
simultaneously for about 5 seconds. („L-03“ will be displayed as a
confirmation.)
