### Can this be done??

Posted:

**Thu Sep 14, 2017 4:07 pm**I need Empower to perform a calculation on 2 working standards:

Standard 1- 1 Injection, contains Caffeine Label A

Standard 2- 1 Injection, contains Caffeine. Label B

I need to perform a standard compliance on the Caffeine area by doing (and I know there's some debate, but its written in our SOP so I'm tied to it):

[Area of Caf in Inj 1- Area of Caf in Inj2]/[Area of Caf in Inj1+Area of Caf in Inj2/2]*100.

No matter which way I construct a CF, I cant get it to work, I tried

(A.1.(Area)-B.1.(Area)/(A.1.(Area)+B.1.(Area)/2)*100 but it doesn't calculate the second part correctly, even after I move around a few things.

Any ideas , I would be grateful?

Standard 1- 1 Injection, contains Caffeine Label A

Standard 2- 1 Injection, contains Caffeine. Label B

I need to perform a standard compliance on the Caffeine area by doing (and I know there's some debate, but its written in our SOP so I'm tied to it):

[Area of Caf in Inj 1- Area of Caf in Inj2]/[Area of Caf in Inj1+Area of Caf in Inj2/2]*100.

No matter which way I construct a CF, I cant get it to work, I tried

(A.1.(Area)-B.1.(Area)/(A.1.(Area)+B.1.(Area)/2)*100 but it doesn't calculate the second part correctly, even after I move around a few things.

Any ideas , I would be grateful?