In this article, we study some new characterizations of primitive recursive functions based on restricted forms of primitive recursion, improving the pioneering work of R. M. Robinson and M. D.

One of Excel's core features is its ability to perform calculations using functions and formulas. Although these terms are often used interchangeably, they have distinct meanings. Letâ s delve into ...

Random digits are collected one at a time until a given k-digit sequence is obtained, or, more generally, until one of several k-digit sequences is obtained. In the former case, a recursive formula is ...