Formulas
- Incidence (geometry)
- Incoherent broad-band cavity-enhanced absorption spectroscopy
- Index ellipsoid
- Indian mathematics
- Induced representation
- Inductance
- Inductive type
- Inertial frame of reference
- Infinite compositions of analytic functions
- Infinity
- Inflection point
- Information theory
- Inner automorphism
- Inscribed square problem
- Institutional complementarity