With Cosmos log calc you can figure your hours each day and even see how far you could have gone if you had not gotten stuck in traffic.
Simple and easy to use. Youll wonder why you spent all that time trying to add them up your self and best of all Its Free!!!
This Pocket C app has Auto install, Icons on your start menu, and true html style help files.

A simple date calculator.
I used to have an app. like this one on my Palm, but now I have an Ipaq.
No one seems to have written an app. like this yet for the PocketPC.
So, here it is.

DateCalc, the new and improved date difference calculator has an improved user interface utilizing unique time input format, which allows one to pinpoint a specific time.
This way you can for example calculate what date and time it is five weeks and 2889 minutes after the day which was two weeks and three day before your birthday noon.
In time input format this would look like:
5W + 2889m + (197405201200) - 2W - 3D
In plain english the above would read "Take five weeks (5W), add 2889 minutes (2889m) to it.

Date Time Calci helps to calculate the Time Span between two different dates.
This helps to calculate how much time is still remaining till the target date, useful in cases like target setting, project deadlines etc.
Date Time Calci has multiple forms of output to choose from, like:
- Days : Hours : Minutes : Seconds.
- Days : Hours : Minutes.
- Days : Hours.
- Total Days.
- Total Hours.
- Total Minutes.
- Total Seconds.

Easter Date Calculator (for years 1583 to 4099).

Know how far the lightning is!
Features:
- The intuitive interface.
- Oversized numbers for easy data entry.
- This software can be used as a timer.
How Lightning Distance Calculator works:
Click the Navigation button when you see the lightning, then click it again when you hear the thunder.
The calculator provides time interval between the lightning and the thunder and the distance to the lightning.
The Lightning Distance Calculator is completely FREE.

Calculates Arrow and Bullet Trajectory.