👉 The term "nonascertainable" in the context of mathematical notation refers to a number or symbol that is untestable or indeterminate. It suggests that there may be multiple possible interpretations or values for such symbols, but it cannot be definitively determined from existing data alone. For example, in algebraic equations, if you have an equation with variables and unknowns, the term "nonascertainable" might refer to a symbol or number that could represent more than one value, depending