Lightning Computing - mental arithmetic class 1 + 2: Erich Chr Wittmann Gerhard N. Müller.

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  • very well done, easy to use  

    Lightning Computing - mental arithmetic class 1 + 2 (CD-ROM)
    My son counted really love this CD. He is very excited and do not want to stop. We recommend. The handling is easy.
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  • Lightning Computing 1/2  

    Lightning Computing - mental arithmetic class 1 + 2 (CD-ROM)
    Blitz 1/2 arithmetic works with Windows 7 !!! Little to no distraction. In the introduction of the program is described in detail, the thing with the teachers login.
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  • !!! on Mac OS X 10.7 (Lion) is not executable !!!  

    Lightning Computing - mental arithmetic class 1 + 2 (CD-ROM)
    Lightning arithmetic seems to have been programmed before the world began, which need not be a bad sign. However, it has been written for PowerPC Mac's on a recent Mac with Lion (10.7), it does not even start anymore :-( Unfortunately, the available
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  • Instructive without unnecessary distraction  

    Lightning Computing - mental arithmetic class 1 + 2 (CD-ROM)
    I am very enthusiastic about the program. It comes from without annoying background music and the tasks are behind accompanied by soothing landscapes. Although the program of the PC game character is missing but that's what makes it - I think - so va
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  • Lightning Computing - mental arithmetic 1 +. 2 Great  

    Lightning Computing - mental arithmetic class 1 + 2 (CD-ROM)
    Our son suffers from dyscalculia and us this CD was recommended. We like that our son can playfully on PC learn mental arithmetic now, especially alone without the mom anyway that does not so good ....
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  • not intuitive!  

    Lightning Computing - mental arithmetic class 1 + 2 (CD-ROM)
    I am very disappointed by the program. After the first start you must specify a teacher Login hiding in another file is located. The teacher then creates a login to students. After starting the program you can see a dozen abacus balls, behind which t
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  • beautiful pictures but little speech  

    Lightning Computing - mental arithmetic class 1 + 2 (CD-ROM)
    The program is visually very appealing, that is very beautiful landscape photographs as wallpapers to the computing tasks and the computational tasks themselves are prepared sufficiently large and clear. Unfortunately, the user, ie the child, little
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  • beautifully cooked tutorial  

    Lightning Computing - mental arithmetic class 1 + 2 (CD-ROM)
    I bought the program, because it is also used in the classroom. I think it is attractively designed for elementary school students. The tasks are well separated from each other, a time after the number range (up to 20, to 100, to 1000, to 1,000,000)
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