FREE English dictionary

Thesage is a free dictionary  multifaceted thesaurus of english language.

FEATURES

• Complete dictionary 
• complete thesaurus
• example sentence
• pronunciation
• information integration

supported operating system: windows xp,vista and 7 , 8 ana 10

source:quencepublishing.com

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Educational software

GCompris is a high quality educational software suite comprising of numerous activities for children aged 2 to 10.

Some of the activities are game orientated, but nonetheless still educational.

Below you can find a list of categories with some of the activities available in that category.

• computer discovery: keyboard, mouse, different mouse gestures, ...
• arithmetic: table memory, enumeration, double entry table, mirror image, ...
• science: the canal lock, the water cycle, the submarine, electric simulation ...
• geography: place the country on the map
• games: chess, memory, connect 4, oware, sudoku ...
• reading: reading practice
• other: learn to tell time, puzzle of famous paintings, vector drawing, cartoon making, ...

Currently GCompris offers in excess of 100 activities and more are being developed. GCompris is free software, that means that you can adapt it to your own needs, improve it and, most importantly, share it with children everywhere.

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Free Calculator

Free scientific calculator by sicyon

Sicyon scientific calculator to be used by student professor or by researcher end developer in doing everyday physics chemistry and all engineering stuff it is quite easy and has almost everything you need to calculate the investigator function chart root minimum maximum in integral, derivative data work etc. This calculator combine an interface and an object oriented approach we provide a fast learning procedure it is a freeware under the common by nv nd 3.0 licence.

features of the calculator 

• calculate the value of math expression using variable and user defined function in program mode
•  you can execute script code in the main window access easily as button organising function board
•  searchable tables with various physical and chemical constant plug-in additional application Call tool boards organise the board as tab pages in group tablet function in explicit parametric mode you can combine 2D and 3D graph with data from user data board all from clipboard it solve nonlinear system of equation project collection of cars and services
•  you can find minima and Maxima in 2D and 3D over data set with more than 3300 function over a single data set HTML can be customised fuse of sophisticated unit of measurement calculation.
• projects' collection of curves and surfaces (more than 100 of them).

• find minima and maxima in 2D and 3D with chart.
• find definite integral in 2D and 3D of an expression in a given interval. 
• fit a curve over data set (non-linear regression)
• fit batch of data sets to the same function and gives the fitted coefficient results and batch statistics in a table.
• fit more than 3300 functions over a single data set and present the list of the best fitted functions with their coefficients.
• customizable (template based) HTML reports for all math procedures.
• use a sophisticated unit of measurement converter, same functionality as Sicyon Unit Converter
• use matrices and matrix calculations.
• context help on any level of organization - function buttons/ boards/groups.

image source:www.sicyon.com

 For more advanced function 

• use Sicyon as out-of-process COM server to access a scripter and most of Sicyon's features (a development kit is included).
• create new database boards with DataBoard Utility.
• add new units of measurement and their conversion rules from, and to SI.  marks the new features after version 4.0

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Microsoft Mathematics

Microsoft Mathematics provides an amazing set of mathematical application which can help students to get school work done quickly and easily. With the help of Microsoft Mathematics, students can learn how to solve equations step-by-step while gaining a better understanding of fundamental concepts of pre-algebra, algebra, trigonometry, physics, chemistry, and calculus.

Microsoft Mathematics includes a full-featured graphing calculator that’s designed to work just like a handheld calculator. Additional math tools help you evaluate triangles, convert from one system of units to another, and solve systems of equations.

Supported Operating System
Windows 7, Windows Server 2003 Service Pack 2, Windows Server 2008 R2, Windows Server 2008 Service Pack 2, Windows Vista Service Pack 2, Windows XP Service Pack 3
• .NET Framework Microsoft .NET Framework 3.5 SP1 Free download
• Computer processor 500 MHz Pentium processor or equivalent (minimum); 1 GHz Pentium processor or equivalent (recommended)
• Memory 256 MB of RAM (minimum); 512 MB or more (recommended)
• Display resolution 800 x 600, 256 colors (minimum); 1024 x 768, 32-bit (recommended)
• Video Video card with 64 MB of video RAM
• Disk space 65 MB available disk space

Download 32-bit version

Download 64-bit version

Free Planetarium

Stellarium is an amazing free open source application for your personal computer, it help in showing a real like sky in 3-dimension  in a way just like you see with your naked eye,or with a telescope or binocular.
It is now used in planetarium projectors across the globe , so just set the coordinates of the place you want to visit and then your are ready to explore the wonderful sky.

source:stellarium.org


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