The most likely reason for this is that allowing variable names to start with a number would introduce ambiguity as to whether a word is a variable or a number. As it is, the compiler can tell which is which just by examining the first character.
how do you write $12.00 in a numeric character?
In most programming languages, variable names cannot start with a number. Variable names must start with a letter, underscore (_), or dollar sign ($). This rule is in place to differentiate variable names from numeric literals.
Yes, a variable can contain a numeric value, which can be an integer, floating-point number, or other types of numeric data depending on the programming language or context. Numeric values are often used for calculations, comparisons, and data manipulation. To determine if a specific variable contains a numeric value, you can typically check its type or use built-in functions available in most programming languages.
the coefficient
It is a variable that can not be changed such as PI.
You must have declared a method which tries to convert a variable/field value into a numeric value but that is not possible. Refer to the line on which the error is found and remove the method which tries to convert the variable/field. Note: Java allows type casting so a string cannot be converted into integer even if a method tries to change the value
Any character except numbers. So letters, punctuation symbols etc. are non-numeric.
Any character except numbers. So letters, punctuation symbols etc. are non-numeric.
Any character except numbers. So letters, punctuation symbols etc. are non-numeric.
IF WS-AGE NUMERIC DISPLAY "NUMERIC" ELSE DISPLAY "NOT NUMERIC' END-IF
They are all numeric characters, exactly as you have written it.
It is a variable that can not be changed such as PI.