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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?