The For Construct
The For construct is a simple statement which executes a piece of code a set number of times. It also changes the value of a variable on each iteration through the loop. It looks like this.... for n = 1 to 10 step 1 ... next n Initialliy, n is set to 1. This is because 1 is the first number n should be set to inside the loop. The code inside the loop is executed until n contains the value 10. This is specified after the to statement. Each iteration through the loop n is increased by 1. This is specifed after the step command. This number can also be a negative number. If no step value is specifed e.g. for n = 1 to 10 ... next n then it is assumed that the step has a value of 1.
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