Semiderivative
A Derivative of order 1/2. The semiderivative of the Constant Function 
is
See also Derivative, Semi-Integral
References
Spanier, J. and Oldham, K. B. An Atlas of Functions. Washington, DC: Hemisphere, pp. 8 and 14, 1987.
- Denumerable Set
- Denumerably Infinite
- de Polignac's Conjecture
- Depth (Graph)
- Depth (Size)
- Depth (Statistics)
- Depth (Tree)
- Derangement
- de Rham Cohomology
- Derivative
- Derivative Test
- Derived Set
- Dervish
- Desargues' Theorem
- Descartes Circle Theorem
- Descartes-Euler Polyhedral Formula
- Descartes Folium
- Descartes' Formula
- Descartes Ovals
- Descartes' Sign Rule
- Descartes Total Angular Defect
- Descriptive Set Theory
- Design
- Design Theory
- de Sluze Conchoid