Revert "disable calculator per #867"
Revert "disable calculator per #867"

This reverts commit 88bae2eec7b0e7b4cef9aba05f8b6b6f4ad1d417.

jaspervdj/stackage,mfine/stackage,amcphail/stackage,phadej/stackage,stackbuilders/stackage,Shimuuar/stackage,GregorySchwartz/stackage,garetxe/stackage,peti/stackage,simonmichael/stackage,massysett/stackage,creichert/stackage,christiaanb/stackage,mpickering/stackage,mgajda/stackage,lwm/stackage,int-index/stackage,nomeata/stackage,michalkonecny/stackage,judah/stackage,meteficha/stackage,wereHamster/stackage,Gabriel439/stackage,jonschoning/stackage,codedmart/stackage,soenkehahn/stackage,ethercrow/stackage,agrafix/stackage,iand675/stackage,fimad/stackage,phaazon/stackage,clinty/stackage,l29ah/stackage,fpco/stackage,brendanhay/stackage,k0ral/stackage,mstksg/stackage,asr/stackage,spencerjanssen/stackage,DanielG/stackage,ygale/stackage,mrkkrp/stackage,alanz/stackage,marcinmrotek/stackage,Daniel-Diaz/stackage,bartavelle/stackage,athanclark/stackage,lemol/stackage