How to use the IN operator in SAS macro?

How to use the IN operator in SAS macro?

IN operator is used in the data step to replace multiple OR conditions. However, if you try to use IN Operator in SAS Macro then you will find that the IN operator is not available

Exploring SAS Macro functions – Eval and Sysevalf

Exploring SAS Macro functions – Eval and Sysevalf

EVAL and SYSEVALF are the two macro functions that evaluate arithmetic expressions and logical expressions.Use the %Eval function to evaluate an arithmetic expression in SAS macro and use the %SYSEVALF function to evaluate floating-point arithmetic expressions.