Gross margin calculator that displays the calculations simultaneously in CHF, USD and EUR currencies.

Differences free to paid version:
1. Target calculation
free - only margin selectable
paid version - cost-, sellprice and margin selectable
2. Internet exchangerates
free - only local rates available
paid version - local and rates from www.openexchangerates.org available
3. Backup
free - starting with V1.2.3a same as paid version
paid version - automagically into the google cloud


Two of the following values must be entered, the third value will be calculated,
the free version has only margin as target
- Purchase price in CHF, USD or EUR
- Selling price in CHF, USD or EUR
- Margin in CHF, USD, EUR and Percent

The final calculation can then be emailed for your records.

Exchange rates are filled in by hand or if registered with openexchangerates.org, downloaded from the internet.
The local exchange rates must be entered at least once to ensure the calculation can always be made.
To receive exchange rates from the Internet, a APP_ID must be obtained from https://openexchangerates.org/signup/free.
A "Forever Free Plan" includes 1000 updates per month and should be sufficient in most cases.
Remember that downloading the rates from the Internet, not using wifi, are maybe charged towards your data budget .

The settings are automatically saved in the google cloud and restored when reinstalling the application.

In case of suggestions, criticism or bugs please send a email to [email protected]