Ultimate Date Calculator 2.1
This is an industrial-strength date calculator designed by a lawyer for commercial, government and professional environments, but it is also suitable for home use.
Calculations are stored to disk and there are alternate report formats, including paper, Web page, RTF, CSV and SYLK files. It stores multiple calculations in tables for output to a single report. It has tabs and wizards to navigate each calculation.
An interval tool calculates the difference between dates, while the math tool adds or subtracts any number of days, months and years.
There is a perpetual calendar, and a tool that calculates the discrete intervals between a series of dates. The repeat tool finds all recurring dates such as loan payment dates, and collates them into a single list.
The chronology tool has many options for describing dates and even sorts dates and times that cross time zones.
The plan tool calculates any number of steps that occur a number of days months and years before or after defined reference points and allows custom rich text reports.
The pro-rata tool splits amounts such as an electricity bill between a number of different parties based on time and usage and displays detailed audit calculations.
Finally, a birthdays tool instantly shows each person's current age and zodiac sign. There are Julian Date conversions, and a tab for recording notes.