What is isint?

ISINT is a function used in Microsoft Excel that tests whether a value supplied in the formula is an integer (a whole number with no decimals). It can also be used to verify whether a value entered in a cell is a valid integer or not. The syntax for ISINT formula is =ISINT(value). It returns either TRUE or FALSE depending on whether the value is an integer or not. If the value is an integer, the function returns TRUE, and if it is not an integer, the function returns FALSE. ISINT is also known as the Integer Function.