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Syntax	(for var from to exp) → value of last expression
Arguments	var: The storage for the counter. This will increase by one at the end of the function every time it is run.
	from: The number that will be the initial value
	to: The last number that the variable will be run as.
	expr: The expression that will be evaluated with the current value set available under the name set in `variable'
Returns	Whatever the last expression returns.
Category	iteration
Description	Evaluates expression using variable for every value between and including the two numbers.

(block (sum)
	(setq sum 0)
	(for varies 3 8 (setq sum (add varies sum))) 
	)

This returns the number 33. Return to Functions list