Feature 1. Most simple, convenient and fast user interface. 2. Automatically calculating when complete inputting data. 3. Automatically converting unit, and saving default unit. 4. Reference included. 5. Search function 6. In-calculator searching and switching function.(only for full-version) 7.Memory of result on phone. 8. All Calculators listed below: Anion Gap Corrected Calcium for Hypoalbuminemia Hemodialysis - Kt/V(Daugirdas) and URR Urea reduction ratio (URR) ABCD2 score (Risk of strok