This is a twin math dataset consisting of a per-expression dataset, and Simple-XML dataset (with marked-up sentences and marked-up math). This twin dataset is derived from the Digital Library of ...

The subset function is not working properly in the following example. You can view the example at this fiddle link, or run the code from the second example under the Matrices->Resizing documentation.

In math, Algebra 1 is a make-or-break course. The class is the gateway to high school math, and struggling to complete it can close off those higher-level pathways—and even jeopardize students’ ...