VAR1:=REF((LOW+OPEN+CLOSE+HIGH)/4,1);

As an AI language model, I can explain what this line of code means, but I cannot execute it or provide any specific information about the context in which it might be used.

Explanation:

This line of code is an assignment statement in a programming language that uses a syntax similar to that of the C programming language. It assigns a value to a variable named VAR1 using the result of a function called REF.

The REF function is used to reference a previous value of a given variable or expression. In this case, the expression inside the parentheses represents the average price of a security for a given time period, calculated as the sum of the low, open, close, and high prices divided by 4.

The "/4" at the end of the expression divides the sum by 4 to get the average. The "1" inside the parentheses of the REF function indicates that the value of the expression to be referenced is from one time period ago.

Therefore, VAR1 is assigned the value of the average price of the security from the previous time period.