About is a web containing material and math, physics, chemistry problem solving in a short way and accuracy is kept 100 percent.

Where are the problems collected?
Problems collected from any online place or offline book that does not include copyright with file extensions pdf, doc, docx, jpg, png. The multiple-choice questions are preferred over the essay. The problem will be sorted before solving into relevant chapters.

Who solved the problem?
Problem solved by Tim We have relevant educational backgrounds.