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Site Information

Current Status

As of the 11 April 2006 update, the site has 149 pages, 212 images, and a style sheet.

The site design was last refreshed in the January 2006 update.

Site History

The change history of this site is given below.

June 2006
Purged broken links from the links page, and put in a link to the Casio Kingdom.

April 2006
Completely rewrote the In memoriam: Edsger W. Dijkstra section: added material, changed tone to casual, aimed at high school/college audience.

February 2006
Added the Ohm’s Laws program.

January 2006
After a three year rest, the intention is to re-cast all the programs into ones more useful and less pedagogical. Updated the Vector Sum and Right Triangle programs, and added the Newton’s Second Law and Uniform Acceleration programs, as a first sample. Also, the dynamic styling of the site was removed.

February 2003
Applied dynamic HTML design. Try the appearance menu in the top right navigation bar.

August 2002
Added In memoriam: Edsger W. Dijkstra section.

July 2002
Added After One Year review. Added Line Drawing Routines, Boolean Operations, and Bitwise Operations.

May 2002
Rewrote Factorization, Bisection, Newton’s Method, Complex Zeroes, Pseudorandom Number Generator, Permutations programs to use new standard linkage conventions. Added Key Sequences page. Added Linkage Conventions page. Added Site Map. Added Eulerville to Newtonville and Absolute Triangle puzzles. Corrected link to the Casio Fan Web Ring, which somehow escaped updating when Yahoo! un-Borged WebRing. Miscellaneous updates to site text.

April 2002
Redesigned site. Added several pages to the Home section describing where to get the calculators and accessories cheaply, how to enter programs into the calculators, and how to interpret program listings. Noted receipt of Red Stag Merit award. Modified the privacy statement and programs index page to remove references to Yahoo! Geocities. Miscellaneous updates to site text.

March 2002
Added Right Triangle Solutions program. Added to Calculator Programming Tutorial section. Added Four Four-Digit Primes puzzle. Extended page naming convention to programs and site information sections. Miscellaneous updates and corrections to site text. Moved from GeoCities to paid hosting and an owned domain name.

February 2002
Added to Calculator Programming Tutorial section. Started Physics section.

January 2002
Added to Calculator Programming Tutorial section. Went to a five-level index in the tutorial section. (There has to be a better way.) Miscellaneous updates and corrections to site text.

December 2001
Added to Calculator Programming Tutorial section. Added About the Author page. Redesigned site colors, layout, and structure. Changed to Yahoo! GeoCities counter on the index page. Noted receipt of Decadent Vision award. Miscellaneous updates and corrections to site text.

November 2001
Expanded 7-11 solution. Redesigned site colors and navigation bar mouseovers. Rewrote Romberg Integration programs to use 9850 control constructs and better commenting conventions. Tested programs for FX-7400G compatibility. Added FX-7400G version of First Degree ODEs. First tentative pages in Calculator Programming Tutorial section. Miscellaneous updates and corrections to site text.

October 2001
Added Permutations program. Recommented Real Zeroes to use better commenting convention. Added Remember the Victims page. Added Square Identity, Four Digit Palindromes, Perfect Forty-Eight, Four Digit Miracle, Different Cubes, Divisibility Rules, Torn Apart, Don’t Be A Square, Be My Friend, Any Six Digits, and Squares and Triangles puzzles. Added second level index to Puzzles section. Expanded answer to Four Digit Palindromes puzzle. Mirrored Casio Program Archive (Hidetake Jo’s site), entered from Links page. Replaced Internet Beacon Award graphic with new version. Miscellaneous updates and corrections to site text and design.

September 2001
Added Rounding program. Rewrote Complex Zeroes and Pseudorandom Number Generator programs to use 9850 control constructs and better commenting conventions. Recommented First Degree ODEs to use better commenting conventions. Rewrote Serious Sevens puzzle to use 9850 control constructs and better commenting conventions. Added Privacy Statement page. Miscellaneous updates and corrections to site text and design.

August 2001
Added Reversing Primes, Moving Down, Date × Day = Year, Four Digit Surprise, Mutiple of 12, Product of the Date, Four Digit Primes, An Average Prime, and 7-11 puzzles. Rewrote Best Fraction Approximation and Factorization programs to use 9850 control constructs and better commenting conventions. Noted Bobby approval (no site changes were necessary). Noted receipt of Beacon Award, Ned’s Yup It’s A Web Page Award, and Assess Risk Web Excellence Award. Added ICRA rating and Bravenet link. Miscellaneous updates and corrections to site text and design.

July 2001
Added Postage Stamp, Flip Switch, and It Could Be Reversible puzzles. Added Romberg Integration and First Degree ODEs programs. Added Copyright Issues, Browser Requirements, Awards Received, and Links pages. Modifications to Real Zeroes, Factorization, and First Degreee ODE programs, and Links pages. Rewrote most puzzle solutions to use 9850 control constructs (if/then/else/endif etc.) and better commenting conventions. Miscellaneous corrections and updates to text and changes to site design.

1 July 2001
The site launches with 10 allegedly useful programs and 21 pages.

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Copyright © 2001 Brian Hetrick
Page last updated 11 April 2006.

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