Compound interest. Compound interest is the addition of interest to the principal sum of a loan or deposit, or in other words, interest on interest. It is the result of reinvesting interest, rather than paying it out, so that interest in the next period is then earned on the principal sum plus previously-accumulated interest.
Guanches (also: Guanchis or Guanchetos) refer to the aboriginal Berber inhabitants of the Canary Islands. It is believed that they migrated to the archipelago around 1000 BC or perhaps earlier.
Apart from the distinction of peninsulares from criollos , the castas system distinguished also mestizos (of mixed Spanish and Amerindian ancestry in the Americas, and mixed Spanish and Chinese or native Filipino in the Philippines), mulatos (of mixed Spanish and black ancestry), indios , zambos (mixed Amerindian and black ancestry) and finally negros .