File:Collapsestack.jpg|Collapse a 'stack' of blocks to save space
File:Collapsestack.jpg|Collapse a 'stack' of blocks to save space
File:Pushpop.jpg|Store data in the first in last out heap using 'push' and 'pop'
File:Pushpop.jpg|Store data in the first in last out heap using 'push' and 'pop'
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File:Turtlearray.jpg|Box names (and stack names) can be boxes, in this case(taken from the math-dice project), a one-dimensional array of 11 variables has been created.
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File:Turtlearray.jpg|Box names (and stack names) can be boxes, in this case (taken from the math-dice project), a one-dimensional array of 11 variables has been created.