# Manuals/calci/ISEQUATION

**ISEQUATION (String)**

- is any string.

## Description

- 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.

## Examples

- ISEQUATION("2X+3=15") = true
- ISEQUATION("4Y<15") = false
- ISEQUATION("10z>20") = false

## Related Videos

## See Also

## References