3) Educational value: The “Is it a function calculator?” not only checks whether a given relation represents a function but also provides detailed explanations about why or why not. This helps users ...

A function calculator is a powerful mathematical tool that helps students, engineers, and mathematicians alike determine if a given relation represents a function. As more individuals become aware of ...

The exposition emphasizes the real part-imaginary part relation and how this may be used to factor a z-transform function into two parts, one corresponding to a minimum phase realizable time function.

This review documents that adaptation exists and represents the basis for the match of form and function. It stresses that the underlying adaptive mechanisms are much more complex than sometimes ...