xySolver

xySolver offers 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.

- Explanations of principles of basic algebra (350 instructional items).
- Step-by-step sample problems that the student can consult later.
- Practice problems randomly generated until student shows mastery.
- All solutions are entered step-by-step.
- All legitimate solution methods supported.
- Any incorrect step is flagged as soon as it is typed.
- A hint or suggested next step can always be requested.