Node:Looping exercise, Previous:Recursion, Up:Loops & Recursion

11.4 Looping Exercise

• Write a function similar to triangle in which each row has a value which is the square of the row number. Use a while loop.
• Write a function similar to triangle that multiplies instead of adds the values.
• Rewrite these two functions recursively. Rewrite these functions using cond.
• Write a function for Texinfo mode that creates an index entry at the beginning of a paragraph for every @dfn within the paragraph. (In a Texinfo file, @dfn marks a definition. For more information, see Indicating.)