In mathematics, Wallis' product for π, written down in 1655 by John Wallis, states that

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2014

2014

- Trevor Hyde
- The American Mathematical Monthly
- 2014

The m-clover is the plane curve defined by the polar equation rm/2 = cos (m2 θ). In this article we extend a well-known… (More)

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2012

2012

- John W. Hoffman, RYAN LIV INGSTON
- 2012

1. Richard Courant and Fritz John, Introduction to Calculus and Analysis, Vol. I, Springer-Verlag, New York, 1989. 2. Persi… (More)

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2009

2009

- Paul Levrie, Walter Daems
- The American Mathematical Monthly
- 2009

By “straightforward” we mean that it can be presented in a standard one-variable calculus course. This is not the first time an… (More)

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2009

2009

- Adrian Dumitrescu, Csaba D. Tóth, Guangwu Xu
- SODA
- 2009

A Steiner star for a set P of n points in R connects an arbitrary center point to all points of P , while a star connects a point… (More)

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2009

2009

This equation becomes Wallis’ product when p = 0 and Vieta’s formula as p → ∞. It is surprising that such a connection between… (More)

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Review

2008

Review

2008

- Steven J. Miller
- The American Mathematical Monthly
- 2008

There are many beautiful formulas for π (see for example [4]). The purpose of this note is to introduce an alternate derivation… (More)

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2007

2007

- Johan Wästlund
- The American Mathematical Monthly
- 2007

by repeated partial integration. The topic is usually reserved for more advanced calculus courses. The purpose of this note is to… (More)

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2005

2005

- Gérard Bouvier
- Zeitschrift für Jagdwissenschaft
- 2005

Die Brucellose des Wildes ist, sehr atlgemein betra&tet, zuf~illig und ursprtingli& dur& das Rind verursacht. Durch successive… (More)

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2003

2003

- Lee F.L
- 2003

Throughout the centuries, one of the most well-studied number is perhaps the number π. Its long history reflects the importance… (More)

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