Loop Statements

For

Begins a loop, initializes the loop-counting variable, specifies when the loop will be terminated, and makes first test.

Next (N)

Calculates the next value of the loop counting variable and tests whether or not execution of the loop should continue.

Do

Begins a circular set of program lines.

While

Used in connection with DO or LOOP. Is a conditional statement causing the LOOP command to effect a loop as long as the expression is true.

Until

Used in connection with DO or LOOP. Is a conditional statement causing the LOOP command to effect a loop until the expression is true.

Loop

Ends a circular set of program lines and causes the loop to circle again if the expression is true

Exit Do

Will break out of a Do LOOP circular pattern if executed in the middle of the loop