Currencies in Dynamics 365/ Dataverse - Clear Understanding

[@upbeatnomad]

Is there a way to have the option of a currency selector while adding the amount instead of going to preferences and changing the default currency?

[@emanefo]

How do I remove the dollar symbol from a field?

[@rakhisantra4262]

Can I update the currency filed value ? please replace it's urgent

[@abhilashthombare]

if i get certied with dynamics 365 in sales and marketing, can I get a job? i. have done mba in marketing