Date Calculations
the interval between two days
Calisto will enable you to carry out two types of calculation involving the interval between dates.
Firstly it will calculate the period between two given dates, giving the result in a choice of calendar units. An example
of this calculation is shown below
Secondly, the program will calculate date occurring a given period before or after a stated date, for example:
what will be the date 3 years and 48 days after 4th February 1532 - the answer is 24th March 1535.
