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 Apr 17: Algebra.Com under attack
On 4/17/19 Algebra.Com was under cyber attack, whereby someone dumped a lot of trash content into the question and answer area. I had to restore from backup from last night.
 May 18: You can write functions like "sine squared" in solutions
You can now plot functions like "sine squared", for example

sin^2(z)

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 May 15: I quit my job to do algebra.com FULL TIME.
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.
 May 15: Password reset for absent minded professors...
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.