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The Little Professor is a backwards-functioning calculator designed for children ages 5 to 9. Instead of providing the answer to a mathematical expression entered by the user, it generates unsolved expressions and prompts the user for the answer.
A modern scientific calculator with an LCD. An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics . The first solid-state electronic calculator was created in the early 1960s.
Poker: Five Card Draw. Make the best five-card combination with an opportunity to draw, while enjoying structured betting. By Masque Publishing. Advertisement.
The stepped reckoner or Leibniz calculator was a mechanical calculator invented by the German mathematician Gottfried Wilhelm Leibniz around 16 and completed in 1694. The name comes from the translation of the German term for its operating mechanism, Staffelwalze, meaning "stepped drum".
A mental calculator or human calculator is a person with a prodigious ability in some area of mental calculation (such as adding, subtracting, multiplying or dividing large numbers). In 2005, a group of researchers led by Michael W. O'Boyle, an American psychologist previously working in Australia and now at Texas Tech University , has used MRI ...
Dominoes: All Fives. All Fives features beautiful art, fast gameplay, and solo or multiplayer modes. Expose multiples of five and score! By Masque Publishing. Advertisement. Advertisement.
If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online!
Access a free AOL plan. If you're already connected to the internet and not using AOL dial-up, you have free access to AOL software, email and several other services. This includes your AOL...
A modern calculator gives sin(75° 9′ 50″) = 0.96666219991, so our interpolated answer is accurate to the 7-digit precision of the Bernegger table. For tables with greater precision (more digits per value), higher order interpolation may be needed to get full accuracy.
The Mental Calculation World Cup 2018 was held on 28–30 September 2018 at the Phaeno Science Center in Wolfsburg, Germany. 82 calculators from 24 countries applied for the qualification; 33 calculators from 17 countries were qualified and took part at the contest in Wolfsburg.