Clicking on the EXPLANATION button will bring up a screen that shows you, in detail, how to solve that specific problem.

“ChemTutor® Excalibur cannot help but bring better grades and understanding in Chemistry. It gives helpful, concise explanations of answers to its probing questions. The visuals used in many of these explanations allow for ready assimilation and are presented in a way that it is almost impossible not to understand.”

Robert Caughey                                         Haverford College