Arrow Notation
A Notation invented by Knuth (1976) to represent Large Numbers in whichevaluation proceeds from the right (Conway and Guy 1996, p. 60).
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For example,
 |  |  | (1) |
 | |  | |
 | |  | (2) |
 | |  | |
|  | (3) | |
 | |  | (4) |
 | |  | |
|  | (5) |
is sometimes called a Power Tower. The values 
arecalled Ackermann Numbers.See also Ackermann Number, Chained Arrow Notation, Down Arrow Notation, Large Number, Power Tower, Steinhaus-Moser Notation
References
Conway, J. H. and Guy, R. K. The Book of Numbers. New York: Springer-Verlag, pp. 59-62, 1996. Guy, R. K. and Selfridge, J. L. ``The Nesting and Roosting Habits of the Laddered Parenthesis.'' Amer. Math. Monthly 80, 868-876, 1973. Knuth, D. E. ``Mathematics and Computer Science: Coping with Finiteness. Advances in Our Ability to Compute are Bringing Us Substantially Closer to Ultimate Limitations.'' Science 194, 1235-1242, 1976. Vardi, I. Computational Recreations in Mathematica. Redwood City, CA: Addison-Wesley, pp. 11 and 226-229, 1991.
- Steiner System
- Steiner Triple System
- Steinhaus-Moser Notation
- Steinitz's Theorem
- Steinmetz Solid
- Stella Octangula
- Stella Octangula Number
- Stellated Polyhedron
- Stellated Tetrahedron
- Stellated Truncated Hexahedron
- Stellation
- Stem-and-Leaf Diagram
- Step
- Step Function
- Step Polynomial
- Steradian
- Stereogram
- Stereographic Projection
- Stereology
- Stern-Brocot Tree
- Stevedore's Knot
- Stewart's Theorem
- Stickelberger Relation
- Stick Number
- Stiefel Manifold