Comment # 4 on bug 1227193 from Christophe Marin

(In reply to Heitor da Silva from comment #3)
> (In reply to Christophe Marin from comment #1)
> > kcalc isn't particularly better or worse than before.
> > 
> > But you can install and use kalk instead.
> 
> Based on your comment anyone can only assume that you have never used KCalc.

How does your comment relate to this bug report?

https://bugs.kde.org/show_bug.cgi?id=489027 is the upstream one.

Meanwhile you can install kalk and use it.