Free calculations software for pda

Vectorama Lite 1.0 lends you a helping hand to calculate the component and magnitude/direction forms of a vector as you size and rotate it. It also displays the formulas and calculations so you can crunch the numbers on your own. Use the calculator buttons to perform vector arithmetic, that is addition, subtraction (negate the vector with the "Flip" button, then add), and dot product.

Note: The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries."

Requirements:

• Compatible with iPhone and iPod touch
• Requires iPhone 2.0 Software update.

Finance-It Beta is regarded as a highly-efficient, high-quality loan and mortgage calculator. Whether you're just getting started with your first home, or you're a real estate professional, Finance-it helps you make sound loan decisions with a minimum of effort.

Major Features:

1. Save Money - by seeing how changes in Down Payment, Interest Rate, or Term affect your Payment
2. Easy-to-use - just select the desired calculation, fill-in the required fields, and view your results immediately
3. Flexible - "what if" calculations allow you to determine how changes in loan parameters affect the desired calculation
4. Powerful - solve for any of five (5) loan parameters
5. Quick - make sound loan decisions in minutes without having to learn complicated terms or payment tables
6. Convenient - worksheet save/restore functions allow you to keep track of multiple loans and compare them

Go Figure Lite 1.1.0 is described as a convenient as well as powerful tool that lets you perform common calculations instantly. No need to remember how to find the answer. Easily create your own calculations. Save your input automatically.

Requirements: iPhone 2.0 software update

Redeye 1.0 is equipped many useful features which let users print to HP 82240A and 82240B printers from a Palm OS handheld.

The HP 82240A and HP 82240B are palm-sized printers originally designed to print hard copies of calculations and graphs from HP calculators. They receive data via an infrared port and print on thermal receipt paper.

Requirements: Palm OS 3.0 or higher

A single line calculation formula that allows you to compute elapsed time given a start date & time and an ending date & time. Calculations are correct for same day or multiple day (span midnight) events.
Frustrated by the inability or complexity of calculating time events that span midnight or multiple days (hours worked, event durations, etc). Here is your solution.
System requirements:
- HanDBase v.3.0x or greater

VisualCalc is an advanced programmable scientific calculator with complex, array and matrix operations and graphing.
Summary of features:
Real and complex numbers
Arrays and matrix manipulation
Support for conditional computations and looping
Optionally display results in rational fraction format
Trigonometric, logarithmic, complex, statistical, matrix functions
Solution of linear algebraic equations
Unlimited number of user variables
Multiline equations with size up to 16 Kbytes
Saving equations for further work
Function graphs with support for tracing the graphs
Separate display for variables and results
Automatic calculation mode
Ability to interrupt lengthy calculations
Support for comments in the equation text
Customizable fonts for editing and results
Enhancements:
- fixed error in matrix editor