Based on formulas I found in other threads, I've tried them all unsuccessfully. Here's the last one I tried.
=IFS(F37>=10,F37<=19,"♪",F37>=20,F37<=29,"♫",F37>=30,F37<=39,"†",F37>=40,F37<=49,"◊",F37>=50,"∆")
These are the results I need:
Years of service 10-19 = ♪
Years of service 20-29 = ♫...