functional equations

Methods of Functional Equations

A Quick and Easy Functional Equation

A Nice and Easy Functional Equation

A Functional Equation from British Math Olympiads 2009

the greatest functional equation of all time.

5 simple unsolvable equations

A functional equation from my favorite book.

Functional Equation

Decomposing a 3D PGA Rotor

A fun functional equation!!

A nice functional equation from Romania

A Functional Equation from Samara Math Olympiads

Functional equation. How to find f(x) given f(f(x)) ||functional equations

a notorious functional equation.

Solving a Quick and Easy Functional Equation

Solving a Functional Equation | f(x)+f(x-1)=x^2

A Nice and Easy Functional Equation

A Very Nice Functional Equation on Reals

A Curious Functional Equation | Math Olympiads

a fun functional equation

A continuous function equation.

Learn Functions – Understand In 7 Minutes

All-in-one Functional Equations question

A functional equation from the Philippines.