http://www.algebra.com Website changes and updates affecting tutors and students en-us Copyright Algebra.Com Sat, 18 May 2013 20:30:00 -0000 Sat, 18 May 2013 20:30:00 -0000 webmaster@algebra.com webmaster@algebra.com http://wiki.algebra.com/ You can now plot functions like "sine squared", for example <PRE>sin^2(z)</PRE>: <IMG SRC="http://www.algebra.com/cgi-bin/plot-formula.mpl?expression=sin%5E2%28z%29%0D%0A&x=0003&"> d9348c65-4907-32cf-afc2-2dea30ee4f58 Wed, 18 May 2011 23:34:13 -0006 http://www.algebra.com/misc/about/ I quit my day job, in order to work on algebra.com full time. My mission is to make homework more fun and educational, and to help people teach others for free. a7af4b08-645d-361d-b206-ea16e40f089b Sun, 15 May 2011 21:46:00 -0006 http://www.algebra.com/my/reset-password.mpl I added a function to reset a forgotten password. It asks you for the registered email address, and resets a password if you prove that you own the email address. cfeed747-2777-33d5-a0dc-8bc9470f7a93 Sun, 15 May 2011 21:44:08 -0006 http://www.algebra.com/algebra/homework/decimal-numbers/ I feel that it is time to move out of 1998 style designs and move to something more child friendly, easier on the eye, and with improved navigation. Email your suggestions to <A HREF=mailto:ichudov@algebra.com>Igor The WebMaster</A>. de5b683d-4722-335c-b9c9-7c34706fb159 Tue, 10 May 2011 20:32:50 -0006 http://m.algebra.com/ With just a 10 year delay, we are embracing 21st century, progress, and mobile devices and provide a <A HREF=http://m.algebra.com/>Mobile Algebra Website</A> for your cell phones and PDAs. Users coming to algebra.com from those devices, will be automatically redirected to the mobile version, unless they exlpicitly choose the full website. Write ichudov@algebra.com if your phone does not work. f05c2442-c4a5-3737-ab82-806e85e23815 Wed, 19 May 2010 00:25:11 -0006 http://www.algebra.com/tutors/your-answers.mpl?userid=all By popular demand, I increased the number of "recently solved problems" that can be seen, to 300. Note that all solutions are publicly available in their respective sections. 70d69248-08f2-3b0b-805b-5d253c525fa4 Mon, 17 May 2010 20:58:19 -0006 http://www.algebra.com/my/ Now you can look at everything "yours", such as your questions, your solutions, your lessons, solvers, and messages, on one convenient dashboard called "My Algebra.Com". Please report all bugs to ichudov@algebra.com. 9fb02ddc-1123-31f4-9627-89d21f5af747 Mon, 14 Sep 2009 19:40:36 -0006 http://www.algebra.com/algebra/homework/Graphs/plot_any_inequality.solver Now you can plot any inequality involving x and y, on a graph. Students would use the above inequality solver, and tutors could type something like "graph( 500, 500, -10, 10, -10, 10, 2x-y < 5) ". 939fa4c5-0376-3988-9f7f-565cc06a86cc Thu, 13 Aug 2009 10:07:37 -0006 http://twitter.com/algebra_com Not to be out-twitted by others, Algebra.Com is now on Twitter. All new unsolved problems are posted to Twitter, so that math addicts who are also Twitter addicts, can help students solve problems and be notified with your favorite Twitter software. ef214100-5a1d-30d1-8aca-627824db158a Fri, 24 Jul 2009 13:10:49 -0006 http://wiki.algebra.com/index.php/Dangerous_Al-Gebra_movement A public school teacher was arrested today at John F. Kennedy International Airport as he attempted to board a flight while in possession of a ruler, a protractor, a set square, a slide rule, and a calculator... f6e43806-1b50-3a39-915c-368ef189f7a4 Fri, 17 Oct 2008 09:25:33 -0006 http://mycroft.mozdev.org/download.html?name=algebra.com&sherlock=yes&opensearch=yes&submitform=Search Firefox users, install this simple browser extension, and type your equations right into the Firefox search bar. 2763b2dc-bd3c-31e9-8db4-f838897c1fda Thu, 22 Feb 2007 12:42:26 -0006 http://www.algebra.com/ Universal solver, due to its popularity, got its input box right on the home page. 6d688fa3-ecc7-3cc2-b864-462e5fa74bdc Tue, 20 Feb 2007 20:41:57 -0006 http://www.algebra.com/cgi-bin/embed-solution.mpl?show=1&solution=27840 Any solution now has a link "Place this solution on your website". If you click on it, you get ONE LINE of custom Javascript generated for you. Cut'n'paste it into your own website, and you will have that solution displayed nicely, with all the graphs, etc. dd785a8c-5a5c-3467-b895-ed113d70bcde Mon, 19 Jun 2006 12:32:22 -0006 http://wiki.algebra.com/index.php/Daily_problem_posting_limit Students are not allowed to submit more than 6 problems per day. They start getting warnings after the fourth problem. The limit is reset daily. 5fb266ce-f6be-33bb-adae-887195e7dd64 Thu, 20 Apr 2006 08:35:01 -0006 http://www.algebra.com/cgi-bin/ticker.mpl?channel=rss Now you can watch what is happening on Algebra.Com in real time. New problems, solved problems, addes lessons, can be monitored by a scrolling ticker. No Java. 0d2027ee-5c46-3f92-8f1f-0f076ba2d644 Mon, 17 Apr 2006 13:29:28 -0006 http://wiki.algebra.com/index.php/Textbook_information Now I am asking students who submit questions, to identify their textbook, chapter, and the problem. I want to build a database of solved math problems, so that future students could take advantage of existing work of our tutors. 30cb8086-4a66-39a0-bafb-df0a9d487077 Tue, 21 Mar 2006 15:51:12 -0006 http://wiki.algebra.com/index.php/Thank_you_messages_displayed_in_tutor_profiles Now thank you notes from students are OPTIONALLY displayed in tutor profiles. Both students and tutors control privacy. 1dfdcfa8-60c3-37bc-b9c2-e706822c8e91 Mon, 20 Mar 2006 13:13:17 -0006 http://igor.chudov.com/algebra-solver.html You can embed my solvers into your site. Your readers stay on your site. You get very nice graphical solvers. It is free. a5244aa2-57e7-396a-84b3-0de5cd6a2c66 Tue, 07 Mar 2006 18:18:02 -0006 http://www.algebra.com/tutors/your-answers.mpl?userid=ichudov Now you can browse through all your old solution by accessing them page by page. Solutions (except bogus ones) are never deleted, all your work is always preserved. c8ced9ed-fe7d-348d-bb12-bec1cde01ff3 Wed, 01 Mar 2006 08:23:38 -0006 http://www.algebra.com/tutors/lessons-by-tutor.mpl?tutor=nutshellmath We have dozens of new video lessons! Very easy to understand. b200a900-4f4d-3187-b19f-26229e1e1d19 Wed, 01 Mar 2006 08:21:41 -0006 http://wiki.algebra.com/index.php/Including_problems_into_lessons We have a mother lode of extremely well written solutions to common problems. Now tutors can create compilations of Frequently Asked Questions in any section, easy as 1-2-3! See link above. 83d08b05-f12f-3dd1-a8b8-9e2bec5fd3bf Tue, 07 Feb 2006 22:47:44 -0006 http://wiki.algebra.com/index.php/Formula_plotting-drawings Tutors can plot ellipses and arcs in their drawings. 19add616-e5c8-32dd-bd24-4d88d268edf7 Mon, 07 Nov 2005 09:46:18 -0006 http://wiki.algebra.com/index.php/Supported_math_functions Many more math functions can be graphed: sin, cos, asin, acos, tg, ctg, atan, sqrt, abs. ae3e1ca9-abcd-3221-b3e0-eadffbf0a70c Wed, 31 Aug 2005 10:37:58 -0006 http://wiki.algebra.com/index.php/Quizzes I created a system where any tutor can create a custom quiz, based onthe existing library of solved problems. Students who want to take a quiz, are asked the same problems that are in our database, and can compare them with the actual answers given by tutors. 803271f5-90ff-3117-94f9-586edfbf5909 Wed, 17 Aug 2005 21:19:02 -0006 http://wiki.algebra.com/index.php/Tutoring_-_pluggable_solvers Works the same way as "linear" pluggable solver, only uses substitution method. Tutors can invoke it in their solutions instead of doing the hard work of solving a linear system. 410c01a6-101f-346e-b0f5-b50f89d8b003 Fri, 12 Aug 2005 10:16:06 -0006