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Calculate the number 1639

NUMBERMANIA: Calculate the number 1639 using numbers [2, 3, 9, 3, 47, 228] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 29

The first user who solved this task is Allen Wager.

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April Fool's Day - Nicholas Cage Copy-Bomb Prank

Nicholas Cage Copy-Bomb Prank: Step one: find crazed picture of Nic Cage (this shouldn’t be hard). Step two: tape to inside of copier. Step three: hide in the corner and giggle.

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Sir John Arthur Thomson

Died 12 Feb 1933 at age 71 (born 8 Jul 1861). Scottish naturalist who was a professor of natural history at the University of Aberdeen (1899-1930), and became an expert in the soft corals (Alcyonacea), stinging anemones and jellyfish found in the Scottish marine habitats, as well as a general interest in chemistry and the region's animals, plants and geology. He was also active in reconciling religion with science through popular books and lectures. He travelled widely, including the United States with his public presentations. One of the books he editted, Outline of Science (1922), became a best-seller, with more than 100,000 sold in five years. He was knighted in 1930.«

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