Add, minus, divide and multiply time values in hours, minutes and seconds. Convert to and from fractional time units. Use the DAE (date analysis engine) to find the day of any date in the Gregorian calendar (the one used worldwide) within a range of up to 15 centuries since the inception of that calendar (about 1583 AD). Military time conversion supported. Use the program for work, research or just plain fun!

Want a quick, good-looking, easy-to-install health calculator for your web site? Look no further! The Quick Health Calculator is a free program for your web site that measures the BMI (Body Mass Index) of a visitor as well as risk for weight-related illnesses. The Calculator is sleek, and very easy to adjust to the look and feel of your web site. The calculator is validated in both JavaScript and PHP to insure easy of use for visitors.

LIFESPAN AGE CALCULATOR can subtract dates answering in days months and years elapsed. Can also subtract an age from an end date to caclulate a start date.. A tiny footprint (35k zipped, 80k unzipped) makes Lifespan easy to email to a friend, even on dialup, and easy on your computer too. Did I mention it's a free way for home users to subtract dates? Hope you like it. kind regards, Peter Riddell

JD Free Calculator is a complete replacment to the standard windows calculator. Not only does it perform all the functions of the windows calculator it also offers: Complete printable tape A basic loan calculator with comparisons A basic savings forcaster And all this for the low price of NOTHING.

Date and Time Calculator will let you easily add and subtract dates and time intervals in just a few clicks. It features common date-related calculations, detailed date information (julian day number, day of year, etc), moon phase information, birth date calculator, due date calculator, and much more!

Date Calculator performs various calendar related calculations. It can display a calendar for any month of any year. Calculates the number of days between any two dates, optionally not counting certain days of the week, such as Saturday, Sunday, and user-defined holidays. It can also calculate the date X days before or after a given date. Gives days of week for any date. Includes appointment reminder.

Calculator.NET is an enhanced version of the standard calculator in Microsoft Windows. It uses RPN (Reverse Polish Notation), which is used by many pocket calculators, e.g. from HP. If you have used a HP 11/28/32/42/48, or any other RPN calculator, you will feel right at home. Some of the enhancements included: RPN, extended function set, and customizable user interface. This program is completely free.

CSC Date Calculator counts the days before, after and between selected dates. You can even tell CSC Date Calculator which days not to count like weekends and vacations. You decide. CSC Date Calculator counts the days with professional precision and super speed. Don't waste time counting and recounting days on your desk calendar and spend the time you save with your newspaper and coffee instead.

Scientific Calculator that can solve large mathmatical terms

Currency calculator with tape - emulation of desktop printing calculator.
Easy and simple, can be operated entirely by keyboard.
Supports copy/paste, undo for last operation. The tape can be printed or copied to clipboard

Heavy-duty date calculator for business, government & professional use. Calculate interval between two or more dates with option to skip defined days. Add days months and years. Perpetual calendar. Chronologies even across time zones. Collate recurring dates e.g. pay and loan repayments. Calculate plans & schedules with reusable templates. Pro-rata accounts automatically. Display person's age and star sign. Julian date conversions. Saves to file.

Timestimator is an easy-to-use due date calculator, which also can calculates duration between two different dates. You can exclude specific days of the week from the calculations. Timestimator provides you with a customizable list of world clocks, takes into account daylight savings time and calculates time shifts between two different time zones. Timestimator provides you with a perpetual calendar that has convenient navigation features.

A cool tool for pregnant womens. Your companion during pregnancy. The software calculates your due date based on your last due date. You get a detailed day by day report about the progress of the child You get information about the types of the check-up's that you need to do at regular interval of time.
You can use the inbuilt article library with a simple search feature

DateTray is designed to show todays date and calendar in your system tray.

By clicking on the date in the system tray it will display a calendar on your screen and allow you to search forwards and backwards to display any date you require.