Kbruch je mali program za praksu izračunavanja frakcija i postotaka. U tu svrhu pružaju se različite vježbe i način učenja možete koristiti za vježbanje s frakcijama. Program provjerava unos korisnika i daje povratne informacije.

Značajke:

• Arithmetic exercise – in this exercise you have to solve a given fraction task. You have to enter the numerator and the denominator. This is the main exercise.
• Comparison exercise – in this exercise you have to compare the size of 2 given fractions, using the symbols >, < or =.
• Conversion exercise – in this exercise you have to convert a given number into a fraction.
• Factorization exercise – in this exercise you have to factorize a given number into its prime factors.
• Percentage exercise – in this exercise you have to calculate percentages.