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Mental Arithmetic + Cell Phone = NumberPyramid

11-07-2008 01:23 PM CET | Media & Telecommunications

Press release from: Zelfi AG

To solve the numerical riddle of the NumberPyramid, there is no need to be an arithmetician. But the math tasks must be solved by mental arithmetic and that might be tricky. Fortunately, this ability can be trained with exercises – even on the go with NumberPyramid.

Nowadays, arithmetic operations of small numbers by addition or subtraction with calculators can be solved. It is a wanton mistake if abilities are substituted by a machine, whether lack of time, uncertainty or disability. Because the intellectual ability to combine logically numbers is not only a good brain exercise and a skill that can be trained but also a task that can be great fun.

In NumberPyramid all boxes of a pyramid must be completed with numbers. Some numbers are already set in the boxes; these numbers are the sum of the figures in the boxes below. So, the figures of two boxes next to each other have to be summed up and the figure in the box overhead will be solved. The other way round, a figure can be solved by subtraction if sum and an addend already exist in boxes. The riddle is solved when all boxes are completed with certain numbers.

The mobile riddle game can be played in three modes of difficulty. A great challenge by this brainteaser is guaranteed for everyone. The NumberPyramid can be downloaded for free at http://www.zelfi.com/en/mobile-games/for-free/number-pyramid-free/ in a ad-funded version or it is available add-free for only € 0.99 at http://www.zelfi.com/en/mobile-games/games/number-pyramid/.

About Zelfi

The Zelfi public limited company is a start-up located in Mainz/Germany being actively involved in the fields of Mobile Marketing and Mobile Entertainment by providing software products. The development and the service of a Mobile Marketing platform is our core business. This innovative technology-platform forms a nodal point of mobile phone users, mobile phone software developers and advertisers.
The Zelfi newsletter provides current information about new mobile games. Subscribe to Zelfi newsletter at www.zelfi.com/en/newsletter/.

Zelfi AG
CEO: Andreas Berg
Erthalstr. 1
D-55118 Mainz
Germany

Telefon: +49 6131-9064850
Telefax: +49 6131-9064853

info@zelfi.com
www.zelfi.com

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