Travel math
Who say one does not need math in real life? Wrong.... Travel math can be rather stressful. As one travels from country to country, the currency changes. Each time one needs to exchange the dollars to the new currency, one must be careful not to exchange too much because the next country might not want this country's currency. Anyway, here is how it went. I left US with a bunch of dollars and some euros. I figured it will be a good start, and I immediately memorized the exchange rate US $1.00 is equal to .0699 Euros which means if something costs 1 Euro it will be $1.43. That is fine - I will remember that. However, during this travel, in addition to dollars and euros I had to deal with: Russian Rubles; Ukrainian Hryvnia; Hungarian Forint and Serbian Dinars, each with a different exchange rate and different name that I needed to learn. There were some interesting experiences along the way. US Dollars The first leg of the trip was Moscow and I had to deal with...