Yen and yuan sign (¥) resembles capital letter Y with horizontal stroke. Usually placed before value (e.g. ¥50). Japanese kanji and Chinese characters follow amount (e.g. 50円)
GDP measures market value of final goods and services in a nation. Nominal GDP doesn't account for living costs and exchange rate fluctuations. PPP comparisons adjust for cost of living differences
First US dollar coins minted in 1794, featuring silver content of 371.25 grains. Silver dollars compared favorably with Spanish dollar until 1803. 1804 silver dollar is one of world's rarest coins, with only 15 known examples
The franc was originally a French gold coin minted in 1360. The name may derive from Latin "francorum rex" or French "frank". The French franc was the national currency from 1795 to 1999
Bitcoin started with $0.0009 value in October 2009 when Sirius sold 5,050 coins. First real-world transaction was buying two pizzas for 10,000 Bitcoins. Bitcoin's price surged 30 times by June 2011 to $2,471
A pip is the smallest whole unit price move in forex trading. One pip equals 0.0001 and appears in the fourth decimal place. Most currency pairs are quoted to four decimal places