Raw equity estimation

Do you know any raw equity estimation exercise,which help you ?

Raw equity is just an illusion.It is easy to calculate raw equity but is useless.

Respectively i disagree; knowing where you stand is good to know so you can gauge your position with what you know about you opponent ...propokertools.com is one i like fir figuring out where i am against specefic hands and ranges...add this to your "Read" on an opponent and you can do very well