inducted into Phi Beta Kappa, Omicron Delta Kappa, Order of Omega, Phi Kappa Phi, and Tau Beta Pi honoraries. The Pike Foundation also maintains and operates...

reduced membership as a result of the war. In 1940, Sigma Omega Psi joined Alpha Epsilon Pi adding three chapters, as did Sigma Tau Phi in 1947. The next...

Pi Beta Phi (ΠΒΦ), often known simply as Pi Phi, is an international women's fraternity founded at Monmouth College, in Monmouth, Illinois on April 28...

Pi Omega Pi (ΠΩΠ) is an American scholastic honor society recognizing academic achievement among students in the field of business education. Pi Omega...

In particle physics, a pion (/ˈpaɪ.ɒn/, PIE-on) or pi meson, denoted with the Greek letter pi (π), is any of three subatomic particles: π0 , π+ , and π−...

lowercase pi sometimes used in technical contexts. It resembles a lowercase omega with a macron, though historically it is simply a cursive form of pi, with...

Alpha Pi Omega Sorority, Inc. (ΑΠΩ) is the oldest historically Indigenous national sorority in the United States. It is the largest Indigenous Greek letter...

π-system (or pi-system) on a set Ω {\displaystyle \Omega } is a collection P {\displaystyle P} of certain subsets of Ω , {\displaystyle \Omega ,} such that...

Pi Omega Pi is an scholastic honor society for students in the field of business education. In the following list of chapters, active chapters are indicated...

are denoted Σ n 0 {\displaystyle \Sigma _{n}^{0}} and Π n 0 {\displaystyle \Pi _{n}^{0}} for natural numbers n (including 0). The Greek letters here are...

{f_{1}}}\left({\tfrac {\omega }{2\pi }}\right),\\f(x)&={\frac {1}{\sqrt {2\pi }}}\int _{-\infty }^{\infty }{\widehat {f_{2}}}(\omega )\cdot e^{i\omega x}\,d\omega .\end{aligned}}}...

Chapter formed from Pi Kappa, established in 1948. Chapter formed from Delta Xi, established in 1949. Chapter formed from Sigma Gamma Omega, established in...

) , {\displaystyle \psi (x)=\left({\frac {m\Omega }{\pi \hbar }}\right)^{1/4}\exp {\left(-{\frac {m\Omega (x-x_{0})^{2}}{2\hbar }}\right)},} where Ω describes...

A pi helix (or π-helix) is a type of secondary structure found in proteins. Discovered by crystallographer Barbara Low in 1952 and once thought to be rare...

{\displaystyle H_{2\pi }(\omega )=A(\omega )\ e^{-j\omega k/2+j\beta },} arg ⁡ [ H 2 π ( ω ) ] = β − ω k / 2 {\displaystyle \arg \left[H_{2\pi }(\omega )\right]=\beta...

Phi Omega Pi (ΦΩΠ) was a national collegiate sorority operating in the United States from 1922 until 1946, when its chapters were absorbed by several larger...

\left(e^{i2\pi {\frac {k}{N}}n}\right)&=2\pi \sum _{M=-\infty }^{\infty }\delta \left(\omega -2\pi {\frac {k}{N}}-2\pi M\right)\\&=2\pi \sum _{M=-\infty...

Sigma Pi Phi, also known as The Boulé, is an African American professional fraternity. Founded in Philadelphia, Pennsylvania, in 1904, it is the oldest...

Kappa Delta Pi Honor Society in Education (ΚΔΠ) is an American honor society for education. It was formed in 1911 at the University of Illinois Urbana-Champaign...

(N-1)}\\\end{bmatrix}}} where ω N = e − i 2 π / N {\displaystyle \omega _{N}=e^{-i2\pi /N}} is a primitive Nth root of unity. For example, in the case when...

{\displaystyle \eta _{1}\omega _{2}-\eta _{2}\omega _{1}=2\pi i.} 4 π = 1 + 1 2 2 + 3 2 2 + 5 2 2 + 7 2 2 + ⋱ {\displaystyle {\frac {4}{\pi }}=1+{\cfrac {1^{2}}{2+{\cfrac...

Byzantine era. Its current name, sampi, originally probably meant "san pi", i.e. "like a pi", and is also of medieval origin. The letter's original name in antiquity...

/2\right)}{\omega /2}}={\frac {1}{\sqrt {2\pi }}}\cdot \operatorname {sinc} \left(\omega /2\right),} using angular frequency ω {\displaystyle \omega } , where...

in 1899. Pi Kappa Kappa (local), established in 1904. After going dormant, it reformed from Beta Phi (local), established in 1927. Zeta Omega Chi (local)...

by six organizations: Alpha Omega Alpha, the Order of the Coif, Phi Beta Kappa, Phi Kappa Phi, Sigma Xi, and Tau Beta Pi. The Association of College Honor...

Alpha Delta Pi is an international collegiate sorority. Following is a list of notable Alpha Delta Pi members. Irene Dillard Elliot (Nu) – first Dean...

Tau Beta Pi is engineering honor society that was established in 1885 at Lehigh University. Following is a list of Tau Beta Pi collegiate chapters, with...

This is the list of Chi Omega chapters. Chi Omega's first series chapters (single-letter) are named for 24 of the Greek letters and assigned in an order...

(1858-1981)" (PDF). Ann Arbor District Library. "Beta Pi Chapter of Omega Psi Phi". Beta Pi Chapter of Omega Psi Phi. Bro. Neil A. Butler (deceased) became the...

This chapter originated as Omega Gamma Chi (local) in 1888. This chapter originated as the Secret Six Club (local) in 1889. Pi Phi records note it was closed...