do..while loop
mathdowhile.php
mathdowhilever1.php
mathdowhilever2.php
while loop
mathwhile.php
mathwhilever1.php
mathwhilever2.php
mathwhilever3.php
altmathwhile.php
for loop
basicfor.php
math.php
math1.php
Package weight example
pkgweightgather.html
pkgweight.php