Example 1: Input 2.5 tons at the top of the first column and study the results carefully to see how it works
Example 2: Press Reset and then input 5000 grams at the bottom of the last column (use mouse to point)
Example 3: Press Reset. In the second column input 1 cwt, 7 stone, 10 pounds and 7 ounces (almost exactly 100 kilograms)
Example 4: Press Reset. In the second column and enter 1 ton and 40 cwt. You will see it is 3 tons!
Example 5: Press Reset. Enter 2.5 tons in the second column!