...ós ¹

Department of Computer Science, Széchenyi István College, H-9026 Hédervári út 3., Gyor, Hungary. E-mail:kallos@rs1.szif.hu

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... Maple²

Maple is a registered trademark of Waterloo Maple Inc.

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... minutes³

Here and below: using at least a PC Pentium

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... commands⁴

The output of the print function is omitted

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