Do you round up or down?

[callen]

@Cuchulainshound

If you're talking about Affinity, the cost of xp rounds against the character - so to get 5 xp you have to spend 4 (+ 50% = 6), because spending 3 doesn't get you to 5 (3 + 50% = 4.5, not = 5.) 4 1/2 xp is not 5 xp, and you need 5.

You might want to consult the ArM5 rules. They directly and explicitly contradict your statement. If you put 3 experience into Creo and have Affinity w/ Creo you get 5 experience in Creo.

Chris