Commonly used unit conversion small helper, easy to convert when needed.
Currently available
1, BMI.
2. Length, capacity, weight and area.
       a. System number keys
       b. Enter an item to automatically convert the values ​​of other items
       c. If you want to key an item, you need to press the "Reset" button first, then enter
3. Speed, potential, pressure, time, temperature.
       a. Homemade number keys
       b. After the "Number" button under the blue block, select the yellow menu above to convert.