Domain
 Program
 Language
 Description
 Exec
 Source

Biology 
Bacteria growth I 

Bacteria growth on 1 substrate (extended Monod model) 



Bacteria growth II 

Bacteria growth on 2 substrates (extended Monod model) 



Bacteria growth III 

Bacteria growth in the chemostat (1 substrate; based on Monod model) 



Bacteria identification 

Bacteriology: Basic bacteria identification 



Bird quiz 

1/2player bird quiz with 5 levels + slidshow of 120 included pictures (German and English bird names) 



Blood volume calculation 

Determination of the human blood volume (using 4 different calculation methods) 



Carnivore quiz 

1/2player carnivore quiz with 4 difficulty levels + slidshow of 100 included pictures 



DNA Basics 

DNA properties, transcription and translation 



Flower quiz 

Multiple questiontypes flower quiz 



Fruits quiz 

Fruits picture quiz for children (English and German fruit names) 



Lung capacities 

Calculation of the lung volumes and capacities based on the values as read from a spirogram 



Muscle contraction 

Tetanized muscle contraction graphs, using Hill's equation or crossbridge kinetics models 



Point mutations 

Molecular genetics: Simple point mutations analysis and exercise generator 



Predatorprey model 

2species growth simulation: Predatorprey model (LotkaVolterra) 



Predatorprey model II 

3species growth simulation: Predatorprey model (LotkaVolterra extension) 



Renal physiology 

Renal physiology: Calculation of glomerular filtration rate, renal blood flow and filtration fraction 



Ungulates quiz 

1/2player ungulates quiz with 4 difficulty levels + slidshow of 90 included pictures 



Vegetable quiz 

Vegetable picturequiz for kids 


Chemistry 
Acidbase reactions 

Chemistry trainer (exercise generator): Mineral acidbase reactions 



Acidbase titrations 

Titration of a stong acid by a strong base (and viceversa) 



Amino acid quiz 

Biochemistry: Amino acids quiz 



Amino acid statistics 

Protein analysis: Amino acid count by similarity groups defined within the various classifications 



Atomic structure 

Graphical representation of the atomic structure of uncharged and charged isotopes 



Bohr's hydrogen model 

Bohr's theory of the hydrogen atom 



Electron configurations 

Electronic structure of atoms and ions (electron configurations) exercice generator 



Diffusion 

Simple simulation of Fick's Law of diffusion 



Ideal Gas Law 

Graphical app about the laws relating volume, pressure, temperature and quantity of ideal gases 



Molecular weight calculator 

Determination of molecular weight of standard molecules, oligonucleotides and proteins 



Solubility of salts 

Chemistry trainer (exercise generator): Solubility of salts 



Solutions concentrations 

Calculation of the concentration of a solution 



Stoichiometry exercises 

Chemisty trainer: Generation of stoichiometry exercises (Balancing chemical equations) 


Computer 
External IP 

Get the external IP address of your computer 



File associations 

Creating Microsoft Windows file associations 



Folder lister 

Microsoft Windows folder listing with export functionality to text, CSV or HTML file 



LAN messaging 

Simple LAN messaging clientserver application 



Local MP3 search 

Search MP3 files on local computer (serach criteria based on file properties or MP3 tags) 



Music list 

Listing of MP3 files in MS Windows "Music" library 



Network computers 

Show the computers actually present on the (local) network 



Network tools 

Graphical user interface to run common MS Windows network command line tools 


Electronics 
7segment displays 

Electronics simulation: Anode and cathode 7segment displays 



Binary adders 

Electronic circuits: Using logic gates to make binary adders 



Binary multipliers 

Electronic circuits: Using logic gates to make binary multipliers 



Binary subtractors 

Electronic circuits: Using logic gates to make binary subtractors and addersubtractors 



Bridge circuits 

Electronic circuits: Measurement bridges 



Capacitor calculations 

Some calculations concerning capacitors: capacitance, series and parallel circuits, charge and discharge 



Capacitor charge 

Study of voltage and current during the charge/discharge of a capacitor 



Combinational circuits 

Logic gates based electronics: Combinational circuits simulation 



Diode circuits 

Simple diode circuits: Essential values calculation and exercise generator 



Ideal transformers 

Properties of an ideal transformer (voltage, current, impedance) 



Incrementers/decrementers 

Electronic circuits: Using logic gates to make binary incrementers and decrementers 



Logic gates 

Electronic circuits: Simple interactive simulation of logic gates 



Logic gates II 

Electronic circuits: Simple interactive simulation of XOR gates based on Boolean algebra 



MOSFET logic gates 

Electronic circuits: Simple interactive simulation of MOSFET based NAND and NOR gates 



Ohm's Law 

Electronics trainer (exercise generator): Ohm's law in simple, series and parallel circuits 



Operational amplifiers 

Common linear and nonlinear applications of operational amplifiers 



RLC circuits 

Electronics trainer (exercise generator): RL, RC and RLC circuits 



RLC circuits II 

Electronics trainer (exercise generator): Resonance RLC circuits 



RS and Dtype latches 

Electronic circuits: Simulation of various RS and Dtype latches 



Standard resistors 

Determination of standard resistor values based on the resistor's color bands 



Timer circuits I 

Electronic circuits: Simple interactive simulation of transistorbased timer circuits 



Timer circuits II 

Electronic circuits: Simple interactive simulation of IC555based timer circuits 



Transistor amplifiers 

Electronics calculator and exercise generator: Simple transistor amplifier circuits 



Transistor switches 

Electronics calculator and exercise generator: Base resistance of transistor switch circuits 


Games (logic) 
Binary game 

Binary game  a logic game with ones and zeros 



Bricks 

Logic game (number puzzle): Bricks (Brick Sudoku) 



Double Block 

Logic game (number puzzle): Double Block 



Decadic Grid 

Logic game (number puzzle): Decadic Grid 



Factors 

Logic game (number puzzle): Factors 



Futoshiki 

Logic game (number puzzle): Futoshiki 



Grades 

Logic game (number puzzle): Grades 



Kakkuru 

Logic game (number puzzle): Kakkuru 



Kendoku 

Logic game (number puzzle): Kendoku 



Lightbulbs 

Logic game (number puzzle): Lightbulbs 



Mainarizumu 

Logic game (number puzzle): Mainarizumu 



Mathrax 

Logic game (number puzzle): Mathrax 



Number Cross 

Logic game: Find the numbers, that added per row/column equal a given row/column sum 



Skyscrapers 

Logic game: Find the buildings, you can see from the grid's borders in a row/column 



Sumdoku 

Logic game (number puzzle): Sumdoku 



Yakuso 

Logic game (number puzzle): Yakuso 


Games (math) 
Dividers 

Mathematics game: Find numbers with a given divider 



Dividers II 

Mathematics game: Find numbers with a given divider (2player version) 



EU and US coins 

Calculation game: Find the EU/US coins to get a given amount of money 



Fractions 

Mathematics game for primary school pupils: Addition of fractions 



Magic Square 

Calculation game (not only) for primary school pupils 



Number game 

Calculation game, inspired by the "Des chiffres et des lettres" gameshow on French TV 



Number puzzle 

4levels mathematics game: Guess which numbers hide behind the different shapes 




Number pyramid 

Mathematics puzzle: The number pyramid 


Games (var) 
Blackjack game I 

Simple Blackjack card game for 1 player 



Blackjack game II 

Blackjack card game for 2 players 



Card reaction game 

Simple 1 or 2player "stop if the correct card is displayed" reaction game 



Chess pieces moves 

Interactive application for chess beginners to learn how to correctly move the pieces 



Color circles 

In two grids with colored circles, find the pair with different colors 



Dice game 

Dice game for children, where on each field they arrive, players have to solve an addition exercise 



Drop the orbs 

Drop numbered orbs into columns in a way to get a column total of 20 



Five dice grid 

Yahtzeebased dice game for 1 player 



Guess the word game 

"Guess the word" game for 1 player (words in English, French, German or Luxembourgish) 



Guess the word game II 

"Guess the word" game for 2 players (with "gallows" construction for wrong letters) 



Guess the word game III 

Specialized subjects "Guess the word" game for 1 or 2 players 



Guess the word game IV 

Word search game with cell phone GUI 



Kidspuzzle 

Puzzle game for children (61 puzzle pictures from 12 to 120 pieces available as individual downloads) 



Labyrinth 

Find your way through a variety of labyrinths 



Marienbad game 

Marienbad variant of the classic Nim game 



Memory game 

Memory game: Find picture pairs or triplets (25 picture sets available as individual downloads) 



Mirrors 

Freely invented ray tracing game, based on an idea that I realized in 2003 



Move the numbers 

Move tiles until their numbers form a sequence 



Solo Poker 

Poker game for 1 player 



Seventeen plus four 

Simple "Seventeen plus four" dice game for 1 to 3 players 



Snake game 

Classic Snake game (GUI version) 



Super Marble 

1player board game based on "Super Marble Solitaire" by Wrenware 



TicTacToe 

Classic TicTacToe board game 



Time Bomb 

Deactivate the time bomb before it explodes! 



Word puzzle 

Wordsearch puzzle: In a grid of letters, try to find the words given by the application 



Yahtzee game 

Classic Yahtzee game for 1  3 players 


Geography 
Castles quiz 

Castles of France, Luxembourg, Belgium and The Netherlands picturequiz (+ slidshow) 



Castles quiz II 

Castles of Germany, Austria and Switzerland picturequiz (+ slidshow) 



Castles quiz III 

Castles of the United Kingdom and Ireland picturequiz (+ slidshow) 



Castles quiz IV 

Castles of South, North and East Europe picturequiz (+ slidshow) 



Chinese provinces quiz 

Chinese provinces quiz: Capital, area, population, population density, capital population 



Europe quiz 

Guess the capital, country surface, inhabitant number, EU entry year or flag of the European countries 



European lakes quiz 

Guess the region, countries, surface area of European lakes; guess the largest lake of a country 



Flag quiz 

Guess the country corresponding to a given flag (country names in English or German) 



Germany quiz 

German BundeslĂ¤nder quiz: Capitals, areas, inhabitants, flags 



Luxbg. cantons & townships 

Quiz: Guess the canton, inhabitants number, ward of the Luxbg. townships or the canton emblems 



Luxembourg locals 

Quiz: Guess the local name, township, canton, or part of the country of Luxembourgish locals 



Luxembourg rivers 

Quiz: Guess the source and destination of the 15 main rivers in Luxembourg 



USA quiz 

States of the USA quiz: Capitals, inhabitants, USA accession years, flags, seals 



World countries quiz 

Guess the capital, land area, country or capital population of the world's countries 



World mountains quiz 

Guess elevation, range/region, continent or countries of the world's highest mountains 



World rivers quiz 

Guess length, area, discharge, outflow, continent or countries of the world's longest rivers 


Languages 
Arabic alphabet 

Learn the Arabic alphabet (Arabic letters) 



Chinese characters 

Learn to recognize Chinese characters and their meaning 



Degrees of comparison 

German grammar: Degrees of comparison of adjectives 



English prepositions 

English grammar exercice generator: Prepositions 



English verbs 

English grammar trainer: Simple past and past participle of regular and irregular verbs 



French adjectives 

French grammar: The suffixes of adjectives 



French nouns 

French grammar: The plural of nouns 



French nouns II 

French grammar: The feminine of nouns 



French verbs in er 

French grammar: Conjugation of the verbs in er 



French verbs in re 

French grammar: Conjugation of the verbs in re 



German verbs 

German grammar: Conjugation of strong and irregular verbs 



Greek alphabet 

Learn the Greek alphabet (Greek letters) 



Hebrew alphabet 

Learn the Hebrew alphabet (Hebrew letters) 



Latin declensions 

Latin grammar: Declension of nouns and adjectives 




Latin prepositions 

Latin grammar: Usage of the grammatical cases with prepositions 



Learn the alphabet 

Educational application for children: Learn the alphabet (English and German letters) 



Luxembourgish numbers 

Basic arithmetic with numbers in luxembourgish 



Luxembourgish verbs 

Luxembourgish grammar: Present tense (Indikativ PrĂ¤sens) of regular and irregular verbs 



Luxembourgish verbs II 

Luxembourgish grammar: Participle and compound tenses of regular and irregular verbs 



Maya numbers 

Maya numbers conversion and knowledge test 



Numerals from 110 

Numerals from 1 to 10 in 45 languages 



Roman numerals 

Roman numerals conversion and knowledge test 



Russian alphabet 

Learn the Russian alphabet (Cyrillic script letters) 



Sanskrit letters 

Ancient languages: Learn the Sanskrit letters 



Sequence of tenses 

French grammar: Indicative and subjunctive; sequence of tenses 



Spanish verbs in ar 

Spanish grammar: Conjugation of verbs in ar 



Spanish verbs in er 

Spanish grammar: Conjugation of verbs in er 


Math (algebra) 
Arithmetic baubles 

Arithmetic problems for primary school pupils (GUI version) 



Basic arithmetic operations 

Mathematics trainer (exercise generator): Basic arithmetic operations with positive integers 



Binary numbers 

Mathematics trainer: Binary numbers conversion, arithmetic and logical operations 



Column addition/subtraction 

Mathematics trainer (exercise generator): Column calculations  Addition and subtraction 



Column multiplication 

Mathematics trainer (exercise generator): Column calculations  Multiplication 



Determinant calculation 

2x2, 3x3 and 4x4 determinant calculation with display of the expansion minors 



Eigenvalues 

Eigenvalues and eigenvectors of a 2x2 matrix 



Fraction operations 

Mathematics trainer (exercise generator): Basic arithmetic operations with fractions 



Function plotter 

Drawing of mathematical and other functions using Gnuplot 



Linear equations I 

Mathematics trainer (exercise generator): Linear equations in 1 variable 



Linear equations II 

Mathematics trainer (exercise generator): Systems of linear equations in 2 variables 



Linear equations III 

Mathematics trainer (exercise generator): Systems of linear equations in 3 variables 



Logarithm equations 

Mathematics trainer (exercise generator): Logarithm equations 



Matrix calculations 

Matrix calculations: Basic arithmetic and row operations on 1x1 to 4x4 matrices 



Multiplication tables 

Mathematics trainer (exercise generator) for primary school pupils: Multiplication tables 



Negative numbers 

Mathematics trainer (exercise generator): Negative numbers basic arithmetic operations 



Percentage calculations 

Mathematics trainer (exercise generator): Calculations with percentages 


Math (geom) 
Circle geometry 

Analytical Geometry  Circles: Tangent, intersection with a line or circle, outer and inner square 



Complex numbers arithmetic 

Mathematics trainer (exercise generator): Basic arithmetic operations with complex numbers 



Complex numbers calculator 

Simple calculator to perform basic arithmetic operations with complex numbers 



Conic sections 

Parameter calculation and graphing of conic sections in their standard form 



Curlicue Fractal 

Lazarus/Free Pascal Curlicue Fractal 



Ellipse geometry 

Tangent and normal to an ellipse 



Geometrical surfaces 

Mathematics trainer (exercise generator): Area and circumference of geometrical surfaces 



Geometrical solids 

Mathematics trainer (exercise generator): Volume and surface area of geometrical solids 



Geometrical transformations 

Geometrical transformations: translations, (simple) rotations, reflexions and homotheties 



Regular polygons 

Properties of regular polygons 



Simple fractals 

Create simple fractals, using a basic Lsystem 



Triangles 

Numerical trigonometry exercise generator: Triangles 



Vector addition 

Graphical vector addition and subtraction 


Physics 
Circular motion 

Physics exercise generator: Circular motion 



Collisions 

Elastic and inelastic collisions simulation 



Fluid mechanics I 

Physics trainer (exercise generator): Fluid mechanics  Hydrostatics 



Fluid mechanics II 

Physics trainer (exercise generator): Fluid mechanics  Perfect fluids hydrodynamics 



Hydrostatic pressure 

Hydrostatic pressure in liquids simulation 



Measurement conversion 

Mathematics trainer for primary school pupils: International measurement units conversion 



Measurement conversion II 

Mathematics trainer for primary school pupils: American/British measurement units conversion 



Physics of colors 

Physics of light: Addition and subtraction of colors 



Plane in the wind 

Addition of 2 velocities: Simple graphical simulation of a plane moving in the wind 



Planetary orbits 

Graphical simulation of the 9 planets of our solar system turning around the sun 



Projectile motion 

Graphical simulation of a canon, placed on a hill, firing a projectile at a given angle 



Pulley exercises 

Physics trainer (dynamics exercise generator): Pulleys 



Radioactive decay 

Nuclear physics exercise generator: Radioactive decay equations 



Ray tracing 

Geometrical optics: Ray tracing with mirrors and thin lenses 



Simple pendulum 

Simulation of a simple pendulum 



Sound waves 

Beats  Superposition of two sound waves 



Static equilibrium 

Physics trainer (exercise generator): Balancing the forces acting upon an object 



Temperature and heat 

Some simple calculations concerning temperature and heat 



Weight on an incline 

Application of Newton's laws: Simulation of an object slipping along an incline 


Various 
Advent calendar 

Electronic Advent calendar 



Ancient gods quiz 

Ancient Greek and Roman gods quiz 



Biorhythm cycles 

Biorhythm graphs: 3months physical, emotional and intellectual biorhythm cycles 




Catholic holidays 

Determination of the date of Easter and other catholic holidays 



Christmas tree 

Full customized Christmas tree with user defined text and colored balls blinking patterns 



Currency converter 

Simple currency converter (with currency rates update from the Internet) 



Driving test trainer 

Trainer application, generating right of way at road crossings exercises 



Loan repayment 

Interests and loan repayment calculation 



Memory trainer 

Program that may be used to test your visual memory and try to ameliorate it 



Morse alphabet 

International morse code (character or complete text) converter and knowledge tester 



Music alarm clock 

Alarm clock with individual time/music settings for each week day or 3 selectable dates 



Musical notes 

(Very simple) application to play musical notes (and simple melodies) 



Simple time calculator 

Calculator application to add times (instead of simple numbers) 



Traffic signals 

Driving license test preparation: Traffic signals 



World clock 

Clock with local and world cities time 



Zodiac signs 

Astrology: Historical aspects and personality characteristics associated with zodiac signs 

