How to limit temp display on dashboard to 2 decimals

[Steve-Mcl]

@007bond

This works good to do the conversion but shows to many decimal places at times.
var o = msg.payload
msg.payload = msg.payload /10 * 9 / 5.0 + 32
return msg

Use your working formula then use angular decimal pipe {{msg.payload|number:2}} to limit the display on a dashboard item.