!!! on Mac OS X 10.7 (Lion) is not executable !!!

!!! on Mac OS X 10.7 (Lion) is not executable !!!

Lightning Computing - mental arithmetic class 1 + 2 (CD-ROM)
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Customer Review

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 during Klett Verlag Patches & Updates help not.

Too Bad.

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