The full manual can be downloaded here – the following is a summary: The BoneXpert adult height prediction (AHP) method is founded in the classical.
This free height calculator predicts a child's adult height based on linear regression This is a children's adult height prediction calculator based on a linear.
There's no proven way to predict a child's adult height. However, several formulas can provide a reasonable guess for child growth. Here's a popular example.
glands-growth-disorders~The American Academy of Pediatrics (AAP) discusses how to predict a child's adult height and provides information.