For a loop for i from A by B to C while D do E and B<0 to repeat the loop:

For a loop for i from A by B to C while D do E and B>0 to repeat the loop:

For a loop for i from A by B to C while D do E the step is:

For a loop for i from A by B to C while D do E the conditional value is:

For a loop for i from A by B to C while D do E the initial value is:

If a record is struct (int a, real b) then it can be represented in a computer as:

For a formula a-b a reverse-minus machine program will be:

For formula a/b a reverse-division machine program will be:

For a formula a-f(x) a reverse-minus machine program will be:

For a logical formula a+b*c a machine program will be:

To calculate an address of an element A[i] in some array the following formula is needed: