Free calculations software for pda

This script for Russ Webbs RPN (from nthlab.com) will allow you to calculate using times.

The script works in hour, minute, second or minute, second modes and allows conversion among the formats.

AceIT Calculator - PocketPC Edition, like its desktop counterpart, is also a FREE, comprehensive, easy to use expression calculator, featuring a unique workspace where you can directly enter your expressions to be evaluated. It has similar functionalities as the desktop version of AceIT Calculator - however designed specifically for the PocketPC.
Main features:
- Performs calculations on algebraic expressions - what you see is what you get.
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- A workspace that stores all of your inputs and results.
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- Supports more than 100 mathematical functions, including algebraic, transcendental, statistical, financial, calculus, & engineering functions.
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- Includes over thirty commonly used physical constants & several hundred unit conversion factors.
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- User-defined value & expression variables

Video Time Calculator - This calculator allows you to make simple operations (+,-,*,/) and conversion between 6 different time formats and frame rates.
Enhancements:
- Now you can make clock time travel calculations!
- 24 or AM/PM formats. e.g.: time to arrive, time country/zones, time differences and more.
- New "Now" button.Plus, view & get from history the last 11 calculations
System requirements:
- Palm III
- Palm OS v3.0

GPS Point2Point Calculator allows you to calculate distance and bearing between two GPS coordinates.
You can choose to display distance in meters, kilometers, feet, miles or nautical miles.
Furthermore you can select if calculations should be based on True Bearing or Rhumb Line Bearing.
System requirements:
- Palm III
- Palm OS v3.0

CalcNote is developed with attention to peculiarities of Pocket PC. It doesnt cover the whole working area of the screen and can be easily moved to any place. You can change the size of CalcNote with one click. It doesnt capture the keyboard focus from other programs. CalcNote is just like your desk, where along with business documents there is always a sheet of paper, pen and calculator enabling you to write down the information and make the necessary calculations without bothering yourself with technical features of your Pocket PC.


Typical cases of CalcNote usage. Sometimes you need to write down quickly some phone number or address. Your interlocutor may not like waiting for you to run you Pocket PC, open Contact application, make new entry and enter phone number in the appropriate field. Its much easier to click the CalcNote icon, press the New button to create a new note and write down the number or draw an approach plan manually. CalcNote will automatically name the note using the first line of the text and save the note on the PC. Thus, you can create notes quickly without being afraid that some of them will be missed. In your spare time, you can rewrite your notes into the appropriate program, classify the information and delete unneeded note from your computer.

Sometimes its very important to make calculations quickly. For example, youve got e-mail containing figures to be calculated. Of course you can switch into your standard calculator that will cover the whole screen and the e-mail with the important information, but its not the best way. Its more convenient to click once the CalcNote icon - a calculator that covers only one fourth of the screen will be opened. You still can see the figures in the e-mail - you can easily write them down or copy them into the calculator, make necessary calculations and then copy the result to any of the programs

This program is a simple program I wrote to play around with.

Hold an object (such as a small rock) at about head high.
Release the button at the same time you release the object (stone).

Press the button again when the object hits the ground and the program will calculate the approximate distance the object fell.

This program is still in beta form, but is interesting as it is.

I dont take into account wind resistance and the like, so calculations are only approximate and not sure how accurate due to being in beta form and not fully testing it yet.

Comments or suggestions welcome. ...
Danny

This program was designed to assist helicopter pilots with their in-flight fuel calculations. After inputting the start time, start fuel, end time and end fuel, the program will calculate your fuel burn rate. It will also calculate the time your fuel will run out as well as your fuel reserve time.
Enhancements:
- now saves values on program exit

Procrastinator's Clock is a prograkm used to be up to 15 minutes fast to stay ahead of the game. However, it also speeds up and slows down in an unpredictable manner so you can't be sure how fast it really is. Technically, the clock maintains a "time buffer" of "fastness" measured in milliseconds. This buffer is modified every second by a certain amount, either adding or subtracting a number of milliseconds. Every once in a while, the delta value changes and the rate of change may increase or decrease. The time buffer is added to the actual time before the display calculations are made. Furthermore, the clock is guaranteed to not be slow, assuming your computer clock is synced with NTP.