 | Triangular numbers Triangular numbers 101 |
 | Triangular Numbers (I) Visit us at http://www.isallaboutmath.com. Elementary explanation of triangular numbers and Gauss demonstration for the sum of the first 100 natural numbers. |
 | Triangular Numbers II Using Gauss Idea to find the sum 1+2 + ... +n. Arithmetic progressions. Obtaining a general formula for the sum of an arithmetic progression. |
 | Triangular Numbers (III) Please visit http://www.isallaboutmath.comRecursive Relation for triangular numbers. Finding a solution to the recursive equation and another solution to the Recursive equation. |
 | 1/5 Explore The Bermuda Triangle The Bermuda Triangle, also known as the Devil's Triangle, is a region of the northwestern Atlantic Ocean in which a number of aircraft and surface vessels have disappeared. Some people have claimed that these disappearances fall beyond the boundaries of human error or acts of nature. Some of these disappearances have been attributed to the paranormal, a suspension of the laws of physics, or activity by extraterrestrial beings by popular culture. Though a substantial documentation exists showing numerous incidents to have been inaccurately reported or embellished by later authors, and numerous official agencies have gone on record as stating the number and nature of disappearances to be similar to any other area of ocean, many have remained unexplained despite considerable investigation. |
 | Programa Freestyle Copa Triangular de Vuelo Acrobático 2007 Versión corregida del programa Freestyle de la categoría Unlimited en la CTVA'07, gracias a los comentarios de los pilotos participantes en dicha competición. Hay un cero en la figura 2; los toneles debieron haber sido a 45º. Fue un fallo mío al interpretar la notación Aresti. ;) Final version of the Freestyle program in Unlimited category of CTVA'07, corrected thanks to the comments made by real pilots of this aerobatic competition. There's a zero point result in figure number 2; rolls must have been done at 45º. That was my misunderstanding of the Aresti notes. ;) |
 | 2/5 Explore The Bermuda Triangle The Bermuda Triangle, also known as the Devil's Triangle, is a region of the northwestern Atlantic Ocean in which a number of aircraft and surface vessels have disappeared. Some people have claimed that these disappearances fall beyond the boundaries of human error or acts of nature. Some of these disappearances have been attributed to the paranormal, a suspension of the laws of physics, or activity by extraterrestrial beings by popular culture. Though a substantial documentation exists showing numerous incidents to have been inaccurately reported or embellished by later authors, and numerous official agencies have gone on record as stating the number and nature of disappearances to be similar to any other area of ocean, many have remained unexplained despite considerable investigation. |
 | 3/5 Explore The Bermuda Triangle The Bermuda Triangle, also known as the Devil's Triangle, is a region of the northwestern Atlantic Ocean in which a number of aircraft and surface vessels have disappeared. Some people have claimed that these disappearances fall beyond the boundaries of human error or acts of nature. Some of these disappearances have been attributed to the paranormal, a suspension of the laws of physics, or activity by extraterrestrial beings by popular culture. Though a substantial documentation exists showing numerous incidents to have been inaccurately reported or embellished by later authors, and numerous official agencies have gone on record as stating the number and nature of disappearances to be similar to any other area of ocean, many have remained unexplained despite considerable investigation. |
 | Polygonal Numbers on the Ulam Spiral The polygonal numbers are those where the units can be arranged into equal sided figures. In this animation, the whole numbers are arranged on the Ulam Spiral grid. Yellow pixels depict polygonal numbers with number of sides s ranging from 3 to 100. When s=3, the triangular numbers are displayed and when s=4, the squares are shown. A history of past presence is kept in dark blue. Music by: cloudtalk, Austin Texas. |
 | 5/5 Explore The Bermuda Triangle The Bermuda Triangle, also known as the Devil's Triangle, is a region of the northwestern Atlantic Ocean in which a number of aircraft and surface vessels have disappeared. Some people have claimed that these disappearances fall beyond the boundaries of human error or acts of nature. Some of these disappearances have been attributed to the paranormal, a suspension of the laws of physics, or activity by extraterrestrial beings by popular culture. Though a substantial documentation exists showing numerous incidents to have been inaccurately reported or embellished by later authors, and numerous official agencies have gone on record as stating the number and nature of disappearances to be similar to any other area of ocean, many have remained unexplained despite considerable investigation. |
 | 4/5 Explore The Bermuda Triangle The Bermuda Triangle, also known as the Devil's Triangle, is a region of the northwestern Atlantic Ocean in which a number of aircraft and surface vessels have disappeared. Some people have claimed that these disappearances fall beyond the boundaries of human error or acts of nature. Some of these disappearances have been attributed to the paranormal, a suspension of the laws of physics, or activity by extraterrestrial beings by popular culture. Though a substantial documentation exists showing numerous incidents to have been inaccurately reported or embellished by later authors, and numerous official agencies have gone on record as stating the number and nature of disappearances to be similar to any other area of ocean, many have remained unexplained despite considerable investigation. |
 | Bible numerics part 1 Mathematical Evidence that Gen 1.1 the first words in the Bible tell us the Truth about our Origin |
العربية
中国
Français
Deutsch
Ελληνική
हिन्दी
Italiano
日本語
Português
Русский
Español![Last Minute Travel Deals: Make Sure You\](images/articles/thumbs/klastminutethumb.jpg "Last Minute Travel Deals: Make Sure You\")
![Walking in Waikiki: The Sauce-erer\](images/articles/thumbs/waikikidrinkumbrellathumb.jpg "Walking in Waikiki: The Sauce-erer\")
![Fall & Autumn US Staycation Holidays that Won\](images/articles/thumbs/staycationsthumb.jpg "Fall & Autumn US Staycation Holidays that Won\")
