Download of jfractionlab_071_Help.zip (jfractionlab_071_Help.zip ( external link: SF.net): 345,015 bytes) will begin shortly. If not so, click link on the left.
JFractionLab helps you to practise fractions calculations. It gives you a graphical Feedback, so you can see what you are doing.
The previous name of JFractionLab was JBruch.