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Software: PC Printing Calculator: Frequently Asked Questions

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How to turn back input? Top of Page
  • Command Button 'Back' deletes last input digit.
  • Command Button 'C' deletes complete input.
  • Command Button 'CE' deletes complete input and current calculation.
  • Command Button 'Delete' depending on Setting Reset on deleting Tape deletes only the tape or tape and current calculation.


How to fast and easily get the Value Added Tax contained in a certain value? Top of Page

After inputting the amount (or after calculating), please click Command Button 'VAT' (press key 'V').



How to fast and easily add Value Added Tax to a value? Top of Page

After inputting the value (or after calculating), please click Command Buttonm '+VAT' (press key 'A').



How to fast and easily reduce a value by contained Value Added Tax? Top of Page

After inputting the value (or after calculating), please click Command Buttonm '-VAT' (press key 'T').



How to do Value Added Tax calculation for alternate Value Added Tax rate? Top of Page

After inputting the value (or after calculating), please click Command Buttonm 'VAT (a)', '+VAT (a)' or '-VAT (a)'. Or press key combination Ctrl-V, Ctrl-A or Ctrl-T.

Note: Please consider the labels of the six VAT Command Buttons depend on the VAT rates, defined within the settings dialog. For additional information see VAT rate and Alternate VAT rate.



How to do a percent calculation? Top of Page

For any kind of percent calculation you can use the Command Button '%'. Alternately you can press the 'P' key or the percent sign key on your keyboard.

The list below contains four available calculation modes (please use the exactly listed inputs, to understand the examples):

Input Result
100 * 5 % 5
100 + 5 % 105
100 - 5 % 95
100 / 5 % 2000



How to fast and easily convert a value in Euro? Top of Page

As soon as you have entered (or calculated) a value, click the 'Euro' Command Button (press 'O' key).



How to fast and easily convert back a value from Euro? Top of Page

As soon as you have entered (or calculated) a value, click the '<Euro' Command Button (press '<' key).



How can I use a different Euro Exchange Rate? Top of Page

By default the Euro exchange rate is set to the factor 1.95583, which is the rate between (old) Deutsch Mark and Euro. You can define any other factor, handy to you. For details see Euro exchange rate.



How to work with the memory? Top of Page

Below a list of Memory operations and the Command Buttons to acces them.

Operation Command Button
Add a value to the Memory M+
Subtract a value form the Memory M-
Get current value from Memory as next calculation value RM
Reset Memory CM



I receive an error message concerning 'licence test' and the calculator is terminated.
What can I do?
Top of Page

You can test PC Printing Calculator for 30 days for free. As soon as the test peroid has expiered, you must order a regular licence if you want to continue using PC Printing Calculator.



I don't see the Program Window after starting the PC Printing Calculator. What's wrong? Top of Page

When PC Printing Calculator is terminated, the current window position is stored to Windows Registry. When starting PC Printing Calculator next time, last position is read from Registry and restored. Under certain circumstances the fails and the Window is move to a Position out of the visible range..

If this happens, please to the following to fix the problem

  • Ensure PC Printing Calculator isn't running (*).
  • Donwload the file DestopCalculatorPosition.reg
  • Doubleclick the file
  • Restart PC Printing Calculator

* Even if the PC Printing Calculator Window is out of the visible range, you can access it to terminate the software. You have to choices:

  1. Use the Windows Task Manager
    • Start the Windows Task Manager (Shortcut to start it is Ctrl-Shift-Esc, press Esc with a slight delay!)
    • Activate the Applications tab
    • Select DesktopCalculator from the list
    • Click the 'Kill Task' command button
  2. Use the Windows Task List
    • Press Alt-Tab until die PC Printing Calculator is selected in the Task List and release key Alt-Tab
    • Press Alt-Space to active the System Menu of the PC Printing Calculator and then select (run) the Close command

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