"Translating foreign software into Hungarian, making things work correctly in the special environment of Hungary," Csongor explained, and Zula thought that she could glimpse, here, in the way that he contentedly explained things, Csongor’s father the schoolteacher. "As an example, because of inflation, Hungarian currency is debased." Warming to the task, he pulled a wallet out of his pocket and produced a sheaf of bills from Magyar Nemzeti Bank, illustrated with engravings of men Zula had never heard of with crazy hats and florid mustaches. The denominations were enormous; the smallest was 1,000, and some of them bore five digits. "So if you have some trivial app that is used in retail, like for a cash register, foreign software might not be suitable because it wants format consisting of decimal point followed by some number of cents. But we don’t have a decimal point or cents, just an integer. So minor rewriting of software is needed. I did this kind of thing for merchants."