New Version 6.4 released 9/30/11
to fix a disastrous bug. Click here for details.

It's still completely free!  
Instructor Can Now Conveniently Review and Re-grade Exams.
Notify students automatically to review changes for themselves,
or copy and paste a re-graded exam into an e-mail with your comments.
Reviewing errors with students is a very valuable educational experience.

What is xyAlgebra? A Free Algebra and Verbal Problem Tutor
Interactive instruction and practice problems with intelligent step-by-step help.
Now works better than ever as a student homework program:

• Problem preview helps instructor select homework items to be assigned.
• Prerequisites reviewed if student makes a mistake in mid-solution.
• Student can print a progress record to confirm homework completed.
• Instructor's database shows individual items passed.

See for yourself:

• Benefits for students and instructors.
• Intelligent Help, always available and timely.
• Instant Prerequisite Review after any incorrect step, like an omnipresent instructor!
• Demos: executable demo programs show intelligent step-by-step help.
• See Vista/W7 Notes. Version 6.4 has been tested with Windows 98, XP, Vista and Windows 7.

xyAlgebra is free. It may be downloaded at no cost and copied for use by instructors or students to learn algebra. However, it is copyrighted, and may not be sold or used in any other product.

Site Updated: 14-December-2011