5.10.1 linux 64 bit: 
line 1: -8
line 2: nan
line 3: nan
line 4: nan

[download]
5.8.3 linux 32 bit: 
line 1: -8
line 2: -nan
line 3: -nan
line 4: -nan

[download]
($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

[download]

In reply to Re^2: Strange Logic in Power of arithmetic by choroba
in thread Strange Logic in Power of arithmetic by stephanm

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