The RT Quick Calc is the must have app for any Respiratory Therapist looking to quickly and easily check or confirm calculations used in their every day job. Add frequently used calculations to your favorites for easy access! 30 formulas with more on the way! RT Quick Calc makes life as a respiratory therapist professional or student easy and worry free by giving you the peace of mind of correct calculations every time! Current formulas include: A-a O2 Gradient a/A Ratio Airway Resistance Anion Gap Bicarb Gap Cardiac Index Cardiac Output Dynamic Compliance Ejection Fraction Expected pH Have Want Formula (FiO2) Have Want Forumla (Min VE) Have Want Formula (RR) Have Want Formula (VT) Henderson Hasselbach Equation Ideal Body Weight Ideal Tidal Volume Minute Ventilation Oxygen Content Oxygenation Index P/F Ratio Physiologic Deadspace Point Seven Plus 20 Rule Pulmonary Vascular Resistance (PVR) Respiratory Rate RSBI Static Compliance Systemic Vascular Resistance (SVR) Tidal Volume Winter's Equation If there is a calculation you have questions about or would like to see added, please email us at email@example.com or through our contact form at http://www.rtquickcalc.com. Any feedback is also appreciated and will help us improve our app and ensure that it remains the respiratory therapist's calculator of choice!