- basic input-output mathematical model(row model)
- basic interval
- basic invariant of a quadric curve
- basic invariant of a quadric surface
- basic kernel of generalized analytic function
- basic laws of formal logic
- basic matrix
- basic model of APT
- basic open cover of an inverse limit
- basic open set of an inverse limit
- basic optimal solution
- basic optimum solution
- basic plot software
- basic principle of linear goal programming
- basic properties of a fraction
- basic properties of determinants
- basic properties of dual linear programming solution
- basic property of ratio
- basic pure trigonometric equation
- basic quantitative index of queueing model
- basic relation of thermodynamics
- basic relations between trigonometric functions
- basic representation
- basic ring
- basic ring