Quietly, though, something less predictable has happened. Bernie Sanders has become â by a considerable margin â the most popular politician in the United States. Earlier this month, an Economist/YouGov poll found that 59 percent of Americans have a favorable opinion of Sanders, while only 33 percent hold an unfavorable one.
International Sizes. There are three ranges of sizes, prefixed A, B and C. The most widely used for general printing and letterhead stationery is the A series. The international letterhead size is an A4. Standard International Paper Sizes.
Sigma is the eighteenth letter of the ancient Greek alphabet. As an upper case letter (), it is used as a symbol for sums and series. As a lower case letter () it is a prefix used in several contexts to indicate that a term is referred in some way to countable unions.