Variance Formula

Kingsoft Spreadsheet Free 2012 is a compact yet powerful spreadsheet application that is fully compatible with Microsoft Excel (97/2000/2003/2007/2010). You™re not only allowed to open, edit and save .xls, .xlsx and .et file formats, but you're also able to import .txt, .xml, .dbf, and .csv...

Statistics::LineFit module least squares line fit, weighted or unweighted. SYNOPSIS use Statistics::LineFit; $lineFit = Statistics::LineFit->new(); $lineFit->setData (@xValues, @yValues) or die "Invalid data"; ($intercept, $slope) = $lineFit->coefficients(); defined $intercept or die...

A Low carb Calculator to find unlisted carbs based on a food products nurtrition label. It works by using the formula Calories = (Fat X 9) + (Carbohydrate X 4) + (Protein X 4) . Note that this formula is not perfectly exact, but an approximation. The program takes the difference between the...


Platforms: Windows

Unduplicate is a utility for removing duplicate lines of text from the Windows clipboard. It works by displaying an icon in the system tray, which activates the removal of duplicate lines from the clipboard whenever you click on the icon with the left mouse button. There is a small window to...


Platforms: Windows

The free Adventive I-Meters are built with a formula engineered to compute the steady rise of e-commerce. Watch the activity of e-commerce, in real-time! The free I-Meters are an effort by Adventive to display the persistent growth of e-commerce, graphically.

GIS::Distance::Vincenty Perl module contains Thaddeus Vincenty distance calculations. SYNOPSIS my $calc = GIS::Distance::Vincenty->new(); my $distance = $calc->distance( $lon1, $lat1 => $lon2, $lat2 ); For the benefit of the terminally obsessive (as well as the genuinely needy), Thaddeus...


Platforms: *nix

Quadratic is a simple program that calculates the answers to the quadratic formula. In addition, it calculates pH in strong acid and weak acid dissociations given the pKa or Ka and the concentration of the original acid.


Platforms: Mac

SimplexParser is used to get the most out of Formula Parsing. With it, you can evaluate mathematical formulas, draw graphs and program with very simple VBScript. SimplexParser is a sophisticated calculation application. It supports direct access to the Microsoft Visual Basic Scripting engine. The...


Platforms: Windows

UNU.RAN (Universal Non-Uniform RAndom Number generator) is a collection of algorithms for generating non-uniform pseudo-random variates as a library of C functions designed and implemented by the ARVAG (Automatic Random VAriate Generation) project group in Vienna, and released under the GNU...


Platforms: Windows, *nix

Statistics::Descriptive is a Perl module of basic descriptive statistical functions. SYNOPSIS use Statistics::Descriptive; $stat = Statistics::Descriptive::Full->new(); $stat->add_data(1,2,3,4); $mean = $stat->mean(); $var = $stat->variance(); $tm = $stat->trimmed_mean(.25);...


Platforms: *nix

Gnofract 4D is a free, open source program which allows anyone to create beautiful images called fractals. The images are automatically created by the computer based on mathematical principles. These include the Mandelbrot and Julia sets and many more. You don't need to do any math: you can...


Platforms: *nix

There already is a time widget with or without dates in Apple Dashboard, but there is none with the stardate of Star Trek in The Next Generation look. In order to evoke even more of a "Trekkie-Feeling" within the Dashboard I tried to adapt the design to the TNG computer panels (LCARS). So watch...


Platforms: Mac

TexTally is a tool to assist typists to count the number of words, lines or characters in any document. If required TexTally can also be used to calculate a dollar amount based on a formula that you enter for billing purposes. This data can also be exported to a CSV file including the date, the...


Platforms: Windows

Welcome to Equation Calculator. The Equation Calculator allows you setup equations, define and set Variable Values, and calculate an equation result. You can create a record with variables and values or a each equation. Equations and variable values can be changed and saved in the same or...


Platforms: Windows, Windows 7

Visual IRC is a free IRC chat client, that is very complete and with numerous options, summarized below:* Script editor with visual formula designer.* User profiles.* Server lists.* Simultaneous connection to multiple servers.* Sounds for different events.* Texts, fonts, colours and images that...


Platforms: Windows

Slopinator is a basic application that solves some of the most tedious and boring equations including the quadratic formula and others.


Platforms: Mac

Statistics::Descriptive::Discrete is a Perl module to compute descriptive statistics for discrete data sets. SYNOPSIS use Statistics::Descriptive::Discrete; my $stats = new Statistics::Descriptive::Discrete; $stats->add_data(1,10,2,0,1,4,5,1,10,8,7); print "count = ",$stats->count(),"n";...


Platforms: *nix

FreeADSP stands for Free Audio Digital Signals Processor and is a free audio-oriented real-time DSP software. What it does is taking a signal as input, transform it through arbitrary-disposed modules, and then putting the result back to some output (that is, for example, the same thing that...


Platforms: *nix

AutoRate application automatically sets the rating for all tracks in your iTunes library according to how often each track is played, and how often each track is skipped. It uses the formula: Rating = (100 * ( (play frequency - lower) / (upper - lower) ) Skips per month * 5 Where upper is the...


Platforms: Mac

CaRevol Jet is a scientific and mathematical tool that works to make complicated engineering calculations, formulas, etc. It lets you add up, subtract, multiply, and divide complicated numbers, plus power operations, logarithms, calculus, trigonomics, inverse functions, etc.This way, you can do...


Platforms: Windows