TTA_102064008-GravelForum|Forum|2 years agoApril 28, 2023QuestionIf functions when one of the variables are undefinedForum|Forum|2 years agoApril 28, 20232 replies857 viewsHi I'm trying to solve an issue where I want the if function to work, when one of the variables in some cases could be undefined. Is this possible, or have some work around? I'm using Prime 9. 1_If-function-when-variable-is-undefined.zipMathcad Usage