Stop show with sound -- Keyboard shortcut: 'x'  Next slide in show -- Keyboard shortcut: 'n'  41 secondsName binding, Recursion, Iteration, and Continuations - slide 20 : 42

Recursion versus iteration
Recursive functions are - modulo use of memory resources - sufficient for any iterative need

Tail recursive functions in Scheme are memory efficient for programming of any iterative process

Tail recursion is a variant of recursion in which the recursive call takes place without contextual, surrounding calculations in the recursive function.

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A recursive formulation of the function fak and the accompanying recursive process
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A tail recursive formulation of the function fak and the accompanying iterative process without memory optimization
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A tail recursive formulation of the function fak and the accompanying, memory optimized iterative process