Hutton's Formula
The Machin-Like Formula
The other two-term Machin-Like Formulas are Euler's Machin-Like Formula, Hermann's Formula,and Machin's Formula.
- Dehn Invariant
- Dehn's Lemma
- Dehn Surgery
- de Jonquières Theorem
- de Jonquières Transformation
- Del
- de la Loubere's Method
- Delannoy Number
- Delaunay Triangulation
- Delian Constant
- Delian Problem
- de Longchamps Point
- Del Pezzo Surface
- Delta Amplitude
- Delta Curve
- Delta Function
- Deltahedron
- Delta Sequence
- Delta Variation
- Deltoid
- Deltoidal Hexecontahedron
- Deltoidal Icositetrahedron
- Deltoid Caustic
- Deltoid Evolute
- Deltoid Involute