Dim goes back to VB's BASIC roots. You didn't have to declare most scalar variables, but you had to use 'Dim' to 'Dim'ension arrays.
In some dialects, strings were treated as scalars and didn't require declaration, but other dialects required you to 'Dim' them as arrays.
As was mentioned, it may even go further back to FORTRAN, but that's a bit before my time.
/grognard hat off.
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Dim goes back to VB's BASIC roots. You didn't have to declare most scalar variables, but you had to use 'Dim' to 'Dim'ension arrays.
In some dialects, strings were treated as scalars and didn't require declaration, but other dialects required you to 'Dim' them as arrays.
As was mentioned, it may even go further back to FORTRAN, but that's a bit before my time.
/grognard hat off.