Calculator 10.2103.8.0 © 2021 Microsoft. All rights reserved -1 ^ ( 1 / 2 ) = Invalid input -1 ^ ( 2 / 4 ) = 1 -1 ^ ( 1 / 3 ) = -1 -1 ^ ( 2 / 6 ) = 1 -32 ^ ( 1 / 5 ) = -2 -32 ^ ( 2 / 10 ) = 2 -32 ^ 0.2 = 2 #### perl -MMath::Prime::Util::GMP=:all -le 'print powreal(-4, .5)' -2.000000000000000000000000000000000000000 perl -MMath::Prime::Util::GMP=:all -le "print rootreal(-4, 2)" # aborted, core dumped