diagonal
- infinity
- inflection
- information
- information theory
- inhomogeneous
- initial conditions
- initialize
- initial line
- initial value
- initial value problem
- injection
- inner product
- input
- inscribe
- inscribed circle
- insoluble
- instance
- instantaneous
- instantaneous code
- instrumental understanding
- integer
- integer factorization
- integer part
- integer programming
- integrable