Tiri ← MedCalX, the professional medical calculator for iOS My feedback 1 result found Need the Penn-State equation 14 votes Vote 0 votes Vote Vote Vote We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close 1 vote 2 votes 3 votes Remove votes You have left! (?) (thinking…) 2 comments · Formula Suggestions » New Formulas · Delete… · Admin → Tiri shared this idea · Apr 6, 2014