Scope of $variable in Let statement in Calculated Field

[harvest]

reminds me of this thread:

Local variables defined in layout objects live long and travel widely

The FileMaker documentation says: When you define a variable, you can specify its scope by adding a prefix before the variable name. Scope Prefix Example Availability function None variableName Only within the function where it is defined local $ $variableName Only within the script where it is defined (not available to sub-scripts); cleared when the script ends global $$ $variableName Anywhere within the file where it is defined; cleared when the file is closed For local (si…