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Shakuntala Devi (4 November 1929 – 21 April 2013) was an Indian mental calculator, astrologer, and writer, popularly known as the "Human Computer".Her talent earned her a place in the 1982 edition of The Guinness Book of World Records.
Calculator spelling is the formation of words and phrases by displaying a number and turning the calculator upside down. [33] The jest may be formulated as a mathematical problem where the result, when read upside down, appears to be an identifiable phrase like " ShELL OIL " or " Esso " using seven-segment display character representations ...
which increases without bound as n goes to infinity. ... (2k−1) is the (2k − 1)th derivative of f and B 2k is the (2k)th Bernoulli number: ...
2.302 407 258 339 680 135 823 582 0396: oeis: a175473: −2.610 720 868 444 144 650 001 537 7157: −0.888 136 358 401 241 920 095 528 0294: oeis: a175474: −3.635 293 366 436 901 097 839 181 5669: 0.245 127 539 834 366 250 438 230 0889: oeis: a256681: −4.653 237 761 743 142 441 714 598 1511: −0.052 779 639 587 319 400 760 483 5708: oeis ...
Due to the large-scale devastation from the 2011 Tōhoku earthquake and tsunami, in lieu of a traditional April Fools' hoax, Google Japan featured many never-before featured drawings from its 2009 Google Doodle competition, themed "What I Love About Japan" drawn by Japanese schoolchildren, saying "We promised that only the top prize winners ...
In late 2011, Google added a graphical calculator to search results, [116] [117] using natural language processing to determine that search results might be mathematical in nature. [118] [119] Woven into this feature are several, not entirely academic, results which might be considered Easter eggs. [120] A Google web search for:
1089 is widely used in magic tricks because it can be "produced" from any two three-digit numbers. This allows it to be used as the basis for a Magician's Choice.For instance, one variation of the book test starts by having the spectator choose any two suitable numbers and then apply some basic maths to produce a single four-digit number.
A graph that shows the number of balls in and out of the vase for the first ten iterations of the problem. The Ross–Littlewood paradox (also known as the balls and vase problem or the ping pong ball problem) is a hypothetical problem in abstract mathematics and logic designed to illustrate the paradoxical, or at least non-intuitive, nature of infinity.