& kbruch; is a small program to practice calculating with fractions and percentages. Different exercises are provided for this purpose and you can use the learning mode to practice with fractions. The program checks the user's input and gives feedback.
& kbruch; é un programa para praticar o cálculo con fraccións. Contén diferentes tipos de exercicios que serán de utilidade. O programa verifica as respostas do usuario e reacciona en consecuencia.