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Desktop application; Android and iPad applications work both offline and in sync with the cloud; Offers a free limited option; MindView: MatchWare Windows, OS X, Web application: Integrated with Microsoft Office; 6 Interchangeable views: includes Gantt chart and timeline; Calculation feature and Excel integration; Optimized for project management
The Mind Sports Olympiad (MSO) is an annual international multi-disciplined competition and festival for games of mental skill and mind sports by Mind Sports Organisation. The inaugural event was held in 1997 in London with £100,000 prize fund [ 1 ] and was described as possibly the biggest games festival ever held.
The products of small numbers may be calculated by using the squares of integers; for example, to calculate 13 × 17, one can remark 15 is the mean of the two factors, and think of it as (15 − 2) × (15 + 2), i.e. 15 2 − 2 2. Knowing that 15 2 is 225 and 2 2 is 4, simple subtraction shows that 225 − 4 = 221, which is the desired product.
He is a five-time gold medalist in the Mental Calculations event at the annual Mind Sports Olympiad, [1] [2] and is one of only five Grandmasters of Mental Calculation, [3] as recognised by the Mind Sports Organisation. George is a regular facilitator at the annual Junior Mental Calculation World Championship. [4] He has written two books. [5] [6]
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Xmind is a mind mapping and brainstorming software, It is developed by Xmind Ltd., a company registered in Hong Kong, [1] and first released in 2007. [2] [1] The application can be used to visualize ideas, clarify thoughts, manage complex information, and promote team collaboration.
Mental calculation is said to improve mental capability, increases speed of response, memory power, and concentration power. Many veteran and prolific abacus users in China, Japan, South Korea, and others who use the abacus daily, naturally tend to not use the abacus any more, but perform calculations by visualizing the abacus.
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 ...