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**Misc:**
[CS151 2000F]
[CS151 2001S]
[CS151 2002F]
[CS151 2003S]
[SamR]

3 February 2000 [John David Stone]

- Created.

Friday, 15 February 2000 [John David Stone]

- Last modified by John Stone.

Tuesday, 12 September 2000 [Samuel A. Rebelsky]

- Extracted problems (presumably from an earlier version).

Friday, 15 September 2000 [Samuel A. Rebelsky]

- Removed one question (odd-prod, which requires you to write a precondition)
- Added the first
Count to

question. - This version available at
`http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2000F/Labs/recursion2.html`

.

Sunday, 18 February 2001 [Samuel A. Rebelsky]

- Reformatted slightly.
- Added code for
`count-from`

. - This version available at
`http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2001S/Labs/recursion2.html`

.

Friday, 27 September 2002 [Samuel A. Rebelsky]

- Reformatted.
- This version available at
`http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2002F/Labs/recursion2.html`

.

Thursday, 30 January 2003 [Samuel A. Rebelsky]

- Reformatted slightly.
- Added examples to various problems.

Friday, 31 January 2003 [Samuel A. Rebelsky]

- Fixed erroneous output in one of the examples added yesterday.
- Added
For those who finish early

. - Clarified the first problem.
- This version available at
`http://www.cs.grinnell.edu/~rebelsky/Courses/CS153/2003S/Labs/numeric-recursion.html`

..

Sunday, 16 February 2003 [Samuel A. Rebelsky]

- Validated HTML.
- Moved history to a separate document (this document).

Wednesday, 19 February 2003 [Samuel A. Rebelsky]

- Added some extra questions for those with extra time.
- The
`digit-of?`

problem was taken from`http://www.math.grinnell.edu/~gum/courses/151/labs/recursion-with-integers.xhtml`

by Ben Gum and John David Stone. - This version available at
`http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2003S/Labs/numeric-recursion.html`

.

Monday, 29 September 2003 [Samuel A. Rebelsky]

- Added summary.
- Minor updates to text.
- Added a few examples.
- Added exercise 8, which I found in Ben Gum's most recent lab on numeric recursion, available on the Web at
`http://www.cs.grinnell.edu/~gum/courses/151/labs/recursion-with-integers.xhtml`

. - This version available at
`http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2003F/Labs/numeric-recursion.html`

.

Monday, 11 September 2006 [Samuel A. Rebelsky]

- Added link to PDF version.
- Minor cleanup.
- This version available at
`http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2006F/Labs/numeric-recursion.html`

.

Tuesday, 13 February 2007 [Samuel A. Rebelsky]

- Added a few notes to help students.
- Added instructions to add particular procedures to libraries.
- This version available at
`http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2007S/Labs/numeric-recursion.html`

.

Tuesday, 9 October 2007 [Samuel A. Rebelsky]

- Began update for the new media computation CSC151.
- Started to add the helper code for spots.
- Started to remove lots of problems.

Wednesday, 10 October 2007 [Samuel A. Rebelsky]

- Finished preliminary update for the new media computation CSC151.
- Finished the helper code for spots.
- Removed many more problems.
- Created more problems.

Saturday, 13 October 2007 [Samuel A. Rebelsky]

- Added
`spots.vtrans`

and`spots.htrans`

on the suggestion of Janet Davis. - Added a few more steps to the
`image.get-row`

procedure on the suggestion of Janet Davis. - Reorganized the problems (yes, on the suggestion of Janet Davis).
- Other, minor, cleanup.
- This version available at
`http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2007F/Labs/numeric-recursion-lab.html`

.

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**Misc:**
[CS151 2000F]
[CS151 2001S]
[CS151 2002F]
[CS151 2003S]
[SamR]

This document was generated by
Siteweaver on Sat Oct 13 19:00:54 2007.

The source to the document was last modified on Sat Oct 13 19:00:53 2007.

This document may be found at `http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/History/Labs/numeric-recursion.html`

.

You may wish to validate this document's HTML ; ; Check with Bobby

Samuel A. Rebelsky, rebelsky@grinnell.edu