Formulas
- Multiply–accumulate operation
- Multivariable calculus
- Multivariate kernel density estimation
- Multivariate normal distribution
- Muon
- Murnaghan equation of state
- Murray's law
- Mutually orthogonal Latin squares
- Myers's theorem
- Möbius function
- Möbius transformation
- Mössbauer effect
- N-body problem
- N-slit interferometric equation
- NC (complexity)