Fixed bugs.
Add unit: µg/hour.
Feature:
1. Dose/rate calculator: get the infusion rate from body weight, desired dose, drug amount and total volume. Built-in commonly used drug information. Custom drugs, backup/restore function (only for Full-version).
2. Infusion time calculator: get the infusion time from fluid volume and desired rate ; tap screen to get the drops and drip rate spontaneously.
3. Infusion rate calculator: get the infusion rate from fluid volume and desired infusion time.
