Round to next ,5

[Speeter]

I would like to round up in Libre Office Calc always to the next higher 50ct, how does that work?

Example: 5,63 → 6

3,32–>3,50

Thanks a lot!

[Villeroy]

https://help.libreoffice.org/7.3/en-US/text/scalc/01/func_ceiling.html?DbPAR=CALC#bm_id3152518