- is any string.
- This function is the tester function of Equation.
- In ,String any expression.
- An equation is a mathematical statement that two expressions are equal.
- When the given string is an equation then this function will return as TRUE.
- When the given string is not an equation then this function will return as FALSE.
- ISEQUATION("2X+3=15") = true
- ISEQUATION("4Y<15") = false
- ISEQUATION("10z>20") = false