Great Answers to
Questions About Everything

How Do I Get My Equation to Have the Form $(x-a)^2 + (y-b)^2 + (z-c)^2-d = 0$?

How to Collect Expressions from Cells Created by Print?

Head & Everything except Head?

How Can I Transfer Mathematical Expressions between Mathematica & Maple?

How to Expand tan(x+y) as Normal Form?

Replace inside Held Expression

How Can I Completely Ban Usage of Some Functions in Output & Mandate Use of Others?