Calculators

Oriana - Calculate and analyze various type of statistics and data.. Oriana calculates a variety of single sample statistics as well as inter-sample comparisons. The basic statistics include the circular mean, length of the mean vector, circular standard deviation and 95% and 99% confidence limits.

There are also a number of single sample distribution tests, such as Rayleigh's test of uniformity and Rao's spacing test. Samples can be compared with various tests such as Watson-Williams test or Mardia-Watson-Wheeler test.

iNetTaxGross - Work out net tax or gross quickly and easily.. iNetTaxGross performs a simple but very useful task: it helps work out what is the net, tax charged and gross from any given amount of any of them.

Given one of them it works out the other two. iNetTaxGross is a cocoa application, written in objective C and it starts in a flash. The interface is very simple but powerful and user friendly.

iNetTaxGross window by default is small and unobtrusive but you can zoom it to any size up to full screen.

Soulver - Notepad with natural language calculator for solving problems and working things out..

Soulver helps you do quick calculations and work things out. It's quicker to use than a spreadsheet, and smarter and clearer than a traditional calculator.

You type out your problems as you would on paper, and Soulver calculates your answer as you type. You can do calculations over multiple lines, and use words alongside your numbers so they make sense.

Soulver is great for adding things up, easily doing percentages, and converting things, like currencies.

Free Rent or Buy Calculator - Calculate expenses and determine whether to rent or buy.. This free real estate calculator for Windows helps you determine whether purchasing a home or renting is your best option.

Free Rent or Buy Calculator is a real estate calculator designed for Windows 95, 98, ME, NT, XP and Vista systems. It offers integrated help, provides automatic hints, and offers Wheatworks' integrated Upgrade Center for easy, online updates.