User:WingTillDie

Contribution hightlights:

Conversion between relative centrifugal force (RCF) and rotation per minute (RPM): https://en.wikipedia.org/w/index.php?title=Centrifuge&diff=prev&oldid=768744555

Sign of tabular integration: https://en.wikipedia.org/w/index.php?title=Integration_by_parts&diff=793235265&oldid=791878724