- elementary catastrophe
- elementary chain
- elementary class
- elementary diagram
- elementary embedding
- elementary event
- elementary event
- elementary extension
- elementary extension principle
- elementary factor group of matrices
- elementary factor of a linear transformation
- elementary factor of matrices
- elementary fixed point
- elementary function
- elementary function
- elementary function
- elementary functions of a complex variable
- elementary geometric construction method
- elementary geometry
- elementary homomorphism
- elementary kernel
- elementary locus
- elementary lower triangular matrix
- elementary mathematics
- elementary matrix