Dr. James McCaffrey from Microsoft Research presents a complete end-to-end demonstration of computing a matrix inverse using ...

Condition-controlled loops have a condition that is tested at the start of the iteration to determine whether or not the iteration should occur. With each iteration, the condition is tested again.

Yes/No’ say what the total is This algorithm would keep iterating until the answer at the end of the loop is ‘No’, ie it will continue to iterate WHILE there are more numbers to add.