Party Problem
Also known as the Maximum Clique Problem. Find the minimum number of guests that must be invited so that atleast 
will know each other or at least 
will not know each other. The solutions are known as RamseyNumbers.
- Modulation Theorem
- Module
- Modulo
- Modulo Multiplication Group
- Modulus (Complex Number)
- Modulus (Congruence)
- Modulus (Elliptic Integral)
- Modulus (Quadratic Invariants)
- Modulus (Set)
- Moessner's Theorem
- Mohammed Sign
- Mollweide Projection
- Mollweide's Formulas
- Moment
- Momental Skewness
- Moment-Generating Function
- Monad
- Money-Changing Problem
- Monge-Ampère Differential Equation
- Monge Patch
- Monge's Chordal Theorem
- Monge's Form
- Monge's Problem
- Monge's Shuffle
- Monge's Theorem