sum digit
51Code 128 — Wikipedia encoded in Code 128 B Code 128 is a very high density barcode symbology. It is used for alphanumeric or numeric only barcodes. It can encode all 128 characters of ASCII and, by use of an extension character (FNC4), the Latin 1… …
52Square number — In mathematics, a square number, sometimes also called a perfect square, is an integer that can be written as the square of some other integer; in other words, it is the product of some integer with itself. So, for example, 9 is a square number,… …
53Method of complements — Complement numbers on an adding machine c. 1910 In mathematics and computing, the method of complements is a technique used to subtract one number from another using only addition of positive numbers. This method was commonly used in mechanical… …
54Carry look-ahead adder — A carry look ahead adder is a type of adder used in digital logic. It can be contrasted with the simpler, but usually slower, ripple carry adder ( see adder for detail on ripple carry adders ). A ripple carry adder works in the same way as pencil …
55CLABE — The CLABE (Clave Bancaria Estandarizada) is a banking standard for the numbering of bank accounts in Mexico. This standard is a requirement for the sending and receiving of domestic inter bank fund transfers since June 1, 2004. The CLABE account… …
56International Mobile Equipment Identity — The International Mobile Equipment Identity or IMEI (pronEng|aɪˈmiː) is a number unique to every GSM and UMTS and iDEN mobile phone as well as some satellite phones. It is usually found printed on the phone underneath the battery.The IMEI number… …
57Pennsylvania Lottery — logo The Pennsylvania Lottery is operated by the Commonwealth of Pennsylvania. The lottery was created by the Pennsylvania General Assembly on August 26, 1971; two months later, Henry Kaplan was appointed as its first executive director. The… …
58Magic gopher — The magic gopher[1] is an interactive Adobe Flash game published online by the British Council. Contents 1 Overview 2 The trick 2.1 Proof for 2 digits …
59number game — Introduction any of various puzzles and games that involve aspects of mathematics. Mathematical recreations comprise puzzles and games that vary from naive amusements to sophisticated problems, some of which have never been solved.… …
60Duodecimal — For the similar sounding classification system, see Dewey Decimal Classification. Numeral systems by culture Hindu Arabic numerals Western Arabic (Hindu numerals) Eastern Arabic Indian family Tamil Burmese Khmer Lao Mongolian Thai East Asian… …
