![]() The people who hung on to the old Mar/Apr date for New Year were ridiculed as "April Fools". Instead of the New Year starting in late March/early April (after the Spring equinox), New Year was changed to 1st January. The origin of April Fool's Day is uncertain, but most historians agree that it started in the 1580s after Pope Gregory decreed that a new calendar should be used by everyone. Instead of viewing LiveMath in your Web browser, it now opens up in the LiveMath viewer. I recently changed the way that LiveMath is delivered and it is now more stable. This is where you can play with the concepts presented in that chapter. You may have noticed links going to "see LiveMath solution" throughout the Interactive Mathematics site. And best of all, it doesn't cost a thing! ![]() With LiveMath software, you can draw graphs, find inverses of matrices, solve equations, and see animations of math concepts. LiveMath has been a key feature of Interactive Mathematics for over 10 years. LiveMath was good in its day (the late 1990s), but has not kept up with changes in technology. Update: (April 2014) I no longer feature LiveMath on the IntMath site. ![]()
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