AI is coming. Teachers, watch out!


Some computer aided tools will be display here (Oct. 3, 2025)


AI assistant platform


To come (Oct. 3, 2025)

Here is the preliminary version: Use demon@gmail.com and password 2025 to log in (10/25/2025). If you want to practice on fraction, use frac@gmail.com and password 2025 to log in; If you want to learn how to solve a parametric equation (like: solve ax=1 for x), use para@gmail.com and password 2025 to log in.

  • Manual for using our AI assistant platform


  • AlgeCal --- Calculator for learning Algebra (calculator that shows steps)

    Whether we agree or not, we cannot stop students from using calculators. Instead, we can improve them. What if we redesigned calculators to show intermediate steps, handle negative coefficients, and connect decimal operations with polynomial operations?
    Here is our contribution: AlgeCal — a calculator designed to prepare students for learning algebra.

  • Manual for using the calculator.


  • More detail about the calculator can be found in our book.

    Vertical operation with negative coefficients With the help of Professor Lei Cai (who graduated from OU), we design the ebook.
  • The e-book

  • Some explanations
  • How does the vertical operation with negative coefficient work?


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    Counters