A numeric (or international) notation exists. It is similar to algebraic notation for Western chess. Python accepts either variant for its string notation. This article describes standard algebraic notation (SAN) required by FIDE. The chord can be represented by the integer notation {0, 3, 7, 11}. A dominant seventh chord can be represented by the integer notation {0, 4, 7, 10}. Mathcad calls this "standard math notation". It can be represented by the integer notation {0, 3, 6, 10}. All tensors are written in abstract index notation. Floating-point representation is similar in concept to scientific notation. The standard notation for geodetic latitude is . Goodstein sequences are defined in terms of a concept called "hereditary base-"n" notation". There are many related uses of the ellipsis in set notation. Alternative approach is to use a systematic notation. Subsequently, support for encoding in JavaScript Object Notation (JSON) was also added.