Point in Time Set Analysis Question

[#1]

I have a set analysis to do MTD.  My question, which I cant figure out is within my set analysis, what function does this character '<' do within the expression?  I'm made the charcter bold and 18pt in this example.

MTD={$(=max([%Month Overall TD]))},

Year =, Month =, [Calendar Date] =, [Fiscal Date] = ,[Month In Quarter] =, [Month Number], Quarter=, [Quarter-Year]=,

[%CALENDAR_LINK TD] = {"<=$(=max([%CALENDAR_LINK TD]))"}

[nagaiank · Accepted solution]

The character string <= means 'less than or equal to' in this context.

[#3]

Thank you.   So, without it, would it just mean "equal to"?  What confuse me about this syntax is that if it was =$(xxx) I thought that mean dollar sign expansion.