This can be either using a set formula or by a simple act of will.
The solution in many cases is to use a different formula.
Because in 2000, using the same formula would make the person minus 55 years old.
To use the formula, it is necessary to know the value of angle 0.
For example, to find the representation of 6i, it is possible to use the general formula.
My opinion is that we should not be using formula anyway.
Japan, which uses a different formula, says that the true figure is 16.2 percent.
Use the formula then, we're just sitting here wasting time.
Other companies have attempted to use the same formula, with mixed results.
But to shame new mothers for using formula is the wrong approach.