CALC fixed by pooq

f=:3 :0
wd(;(,' '&;)/;:y),' = ',,8!:2".;(('-'=]){];'~',~])"0;|.;:y
)
f;._2(1!:1)3

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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