Seven-segment display letter to be unambiguous, merely for the words as a whole to be readable. Similar displays with fourteen or sixteen segments are available allowing less-ambiguous representations of the alphabet. Using a restricted range of letters that look like (upside-down) digits, seven-segment displays are commonly used by school children to form words and phrases using a technique known as "calculator spelling". Seven-segment display A seven-segment display (SSD), or seven-segment indicator, is a form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix displays. Seven-segment displays are widely used in digital clocks, electronic
Sixteen Arhats Sixteen Arhats The Sixteen Arhats (Japanese: 十六羅漢, "Jūroku Rakan"; Tibetan: གནས་བརྟན་བཅུ་དྲུག, "Neten Chudrug") are a group of legendary Arhats in Buddhism. The grouping of sixteen Arhats was brought to China, and later to Tibet, from India. In China, an expanded group of Eighteen Arhats became more popular, but worship of the sixteen Arhats continues to the present day in Japan and Tibet. In Japan sixteen Arhats are particularly popular in Zen Buddhism, where they are treated as examples of behaviour. In Tibet, the sixteen Arhats, also known as sixteen sthaviras ('elders') are the subject of a liturgical practice associated with