Joseph Fourier introduced modern summation notation in 1820. (i.e. capital sigma with limits on bottom and top)

2020 is the sum of the squares of four consecutive primes: 17^2 + 19^2 + 23^2 + 29^2 = 2020

The number of elements in the monster group, the largest of the sporadic simple groups, is of the same order of magnitude as the number of atoms in Jupiter. johndcook.com/blog/2020/08/2…

If an infinite set of points in the plane determines only integral distances, then all the points lie on a straight line. -- Erdös

Follow my soundcloud music page for many original compositions in various styles ranging from electronic, ambient to some Nu classical music. on.soundcloud.com/basselhajj #music #SoundCloud #electronicmusic #ambientmusic #ambientmusic #soundtrack

Listen to Impromptu by Bassel Hajj on #SoundCloud on.soundcloud.com/PcXrY #music #improvised_music #piano #impromptu #snow #home

Recorded in July 2013 in Los Angeles, |FREEZE| is the first studio album that I have recorded. Here is a link with a gate to your favorite platform: push.fm/fl/jow0x4c0 #jazz #music #blast #freeze #herbie #LosAngeles #piano #لبنان

Whatsapp should add a x2.5 option for voice notes. #whatsapp #voicenote

🎹✨ New Album Release: “Storyteller” - A Solo Piano Album 🌟 Listen Now through this link : push.fm/fl/og1fwa5p 🎧 Available on Spotify, Anghami, Deezer, Apple Music, and more! 🔑 #SoloPiano #OriginalCompositions #PianoMusic #NewAlbum #InstrumentalMusic #MusicRelease