Site map Valgetal and Matego


2013 - till now:  

   (nuclear fusion possible in a easy way?

Confinement of positive ions and electrons with a static electric and magnetic field

Youtube SEM Fusor


For old versions, you receive an autoresponse message with the passwords of Valgetal and Matego
if you send a message to:

Main page:

Deutsch: (Zusammenfassung )


Valgetal newest version 3.3
( )

Valsetup.exe 766 kb, Windows, multi language
Valgetal msdos version 2.4 54 kb, Msdos, no install, multi language
Valgebra Valgebra .zip 41 kb, Msdos, no install, multi language
Matsetup.exe 861 kb, Windows, multi language
MatsetupWin8.exe , Windows 64 bits
Eurobloks Ebsetup.exe, 374 kb, Windows, multi language
Valgetal Tables Valtsetup.exe, 372 kb, Windows 64 bits, multi language
Valgetal Tables Vltsetup.exe, 314 kb, Windows 34 bits, multi language
Powers of Ten, 51 kb, Msdos, no install, in English
Potencias de Diez, 50 kb, Msdos, no install, en español
Machten van Tien, 54 kb, Msdos, geen install, in Nederlands
ABCFormule, 72 kb, Msdos, geen install, in Nederlands
Linear Equations, 73 kb, Msdos, no install, in English
EersteGraadsVergelijkingen, 71 kb, Msdos, geen install, in Nederlands

Download page with all our software

Our software on the Internet: (español) (español) (Chinese) (English) (Deutsch) (Slovenian)
And many more site, just search with Google, for example..


Screenshots Valgetal


Screenshots Matego

Screenshots Eurobloks

Netherlands Belgium Spain Germany

Screenshots Valgetal Tables (Tafels, Tablas)


Screenshot Valgebra


-------------------------------PAD-file Valgetal (file with info for shareware sites) --

PAD-file Matego

PAD-file Eurobloks

PAD-file Valgetal Tables

PAD-file Powers of Ten

PAD-file Linear Equations


More links

Students working with Valgetal (photo 40 Kb)

Press release and articles

World Championship Valgetal

World Championship Matego

More detailed information about Valgetal

Detailed game instructions Matego
Detailliert bereite Anweisungen Matego, auf Deutsch
Gedetailleerde spelinstructies Matego
Instrucciones para jugar Matego

Other educational programs

Andere educatieve programma´s voor middelbare scholen

Otros programas educativos para institutos

More about Joustra Software

Stability, draft survey in excel, hold drawings..

Valgetal cartoons




Some links


Experiencia de un profesor en Méjico, con Valgetal:
Copia en htm

Website created 25 July 1999; 81935 unique visitors till 24 June 2003 (about 90 / day)

Copy counter (from 1 till 22 September 2008)

Rinze Joustra - Joustra Software

Tel. 00 34 976 075773
Mob. (Cell.) Phone: 00 34 669696560


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Zussamenfassung auf Deutsch:

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