A library of medical calculators and medical tools such as test interpretation and scoring systems catergorized by specialty such as pulmonary, critical care, cardiology, neurology, and oncology. Included: ABG interpreter- triple acid base (including anion gap), PaO2/FiO2 ratio Aa-gradient calculator BODE index calculation PORT score (pneumonia severity index / PSI) CURB65 SMARTCOP tidal volume calculations by ideal body weight TNM staging for lung cancer Oxygen content and O2 extraction calculations. Wells score for deep vein thrombosis (DVT) and pulmonary embolism (PE) serum and urine osmolarity free water clearance and deficit Fractional Excretion of Sodium (FENa) Corrected Calcium GFR estimates using Cockcroft-Gault and MDRD eGFR CHADS2 Glasgow Coma Scale Body Mass Index (BMI calculator) Ideal body weight calculations TIMI for NSTEMI CHADS/CHADS2/CHADS2Vasc Corrected reticulocyte count absolute neutrophil count (ANC) Corrected sodium (for glucose) corrected phenytoin MELD Rockall score for GI bleed TPN calculations and total caloric intake by parts fluid requirements to correct hyponatremia or hypernatremia Predicted improvement in INR with FFP PFT (spirometry, DLCO and lung volumes) Normal values Shunt Fraction Cardiac output by fick Child-Pugh steroid unit conversion General Unit conversion such as kilogram to pounds (weight), distance and volume due date by LMP (last menstrual period) and by date of conception - pregnancy wheel/timeline Narcotic analgesic dose conversion for different opioids and dosing intervals QTc and short QT interval calculations Maddrey's Discriminant Function Temperature conversion This is for medical students, internal medicine residents, respiratory therapists, nurses and doctors working in the pulmonary field. This has not been clinically verified at this time.