This commercial date calculator software offers a wide range of tools including intervals, adding days, perpetual calendar, recurring dates, pro-rata accounts, and more. It also comes with the ability to save the data to a file for easy access.

The multiple calculations feature of the software is particularly useful, since it allows users to store all of their calculations in a table and then include them in a single report. Additionally, users have the option of excluding weekends and holidays from their calculations.
The Ultimate Date Calculator uses a combination of tabs and wizards to guide users through each calculation, with extensive context-sensitive help available throughout the process. The software features an easy-to-use Start page that provides an excellent departure point for novice users.
The Interval tool calculates the difference between dates, while the Math tool adds or subtracts any number of days, months, and years to or from another date. The perpetual calendar displays a calendar for any month of any year, while the Multiple tool calculates the number of days, weeks, and years between a series of events.
The Repeat tool is particularly useful for finding recurring dates, such as loan repayment dates, and collating them into a unified list. The Chronology tool is specifically designed for lawyers and other professionals, with many options for describing dates and sorting dates and times that cross time zones.
The Plan tool allows users to calculate any number of steps or events that occur a number of days, months, or years before or after one or more reference points. Users can also design custom rich text format reports that incorporate the plan.
The Pro-Rata tool is particularly useful for splitting bills between parties, based on time and usage. The detailed calculations provided by the software are designed to satisfy each party. Finally, there is a Birthdays tool that instantly shows each person's current age and zodiac sign, a tool for converting Julian Dates, and a tab for recording notes.
Overall, the Ultimate Date Calculator is an essential tool for anyone who needs to work with dates in a professional or personal capacity. Its many powerful features and user-friendly interface make it a must-have for lawyers, accountants, and anyone who needs to work with dates on a regular basis.
Version 2.9.0.0: Minor improvements
Version 2.8.8: Minor improvements
Version 2.8: Minor improvements