Returns a Boolean value - specifies whether an expression can be evaluated as a number.
In the PROMOTIC system it is better to use Pm.IsValid(Pm.ToNumber(expression)) or Pm.GetVarType, Pm.IsInt, etc.
Syntax:
BooleanIsNumeric(Variantexpression)
Parameters:
expression
(Variant) Any valid expression.
Return values:
true - If expression is recognized as a number
false - Otherwise (returns false if expression is of the Date type)