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Sunday, December 31, 2017

Change-making problem
src: i.ytimg.com The change-making problem , also known as minimum coin change problem , addresses the question of finding the minimum numbe...

Silver as an investment
src: i.ytimg.com Silver may be used as an investment like other precious metals. It has been regarded as a form of money and store of value ...

Numismatics
src: numismaticswithkenny.files.wordpress.com Numismatics is the study or collection of currency, including coins, tokens, paper money, and...

Gold as an investment
src: xdirect.co.in Of all the precious metals, gold is the most popular as an investment. Investors generally buy gold as a way of diversify...

Double eagle
src: upload.wikimedia.org A double eagle is a gold coin of the United States with a denomination of $20. (Its gold content of 0.9675 troy o...