CALCULATOR
This method completely eliminates the subjectivity and so it gives you the correct result.
Answer the questions below as accurately as possible and press the button "Calculate".
Many of these questions will seem silly, but they are the same questions you would do if you did the calculation by yourself, without aid of Choose Plan.
If the number and less than 1 you may want to leave 0, otherwise write the most accurate possible number using decimal numbers.
[1] The countries of the zone 1 are different for each operator. Check on the website of your provider.
[2] Compare rate calculates fares activated from January 2009 onwards.
