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Active](https://masterminds.github.io/stability/active.svg)](https://masterminds.github.io/stability/active.html)\n[![License](https://img.shields.io/badge/license-Apache2-red.svg)](http://opensource.org/licenses/apache-2.0)\n\nSeshat (from the ancient Egyptian goddess of knowledge, writing and surveying)\nis an implementation of Units of Measurement API defined by JSR 385. Seshat is\na subset of [Apache Spatial Information System (SIS)](http://sis.apache.org/)\nlibrary keeping only the classes required for JSR 385 implementation.\nSeshat supports arithmetic operations on units and on quantities.\nThe unit (including SI prefix) and the quantity type resulting from\nthose arithmetic operations are automatically inferred.\nFor example this line of code:\n\n```\nSystem.out.println( Units.PASCAL.multiply(1000) );\n```\n\nprints \"kPa\", _i.e._ the kilo prefix has been automatically applied\n(SI prefixes are applied on SI units only, not on other systems).\nOther example:\n\n```\nForce  f = Quantities.create(4, Units.NEWTON);\nLength d = Quantities.create(6, Units.MILLIMETRE);\nTime   t = Quantities.create(3, Units.SECOND);\nQuantity\u003c?\u003e e = f.multiply(d).divide(t);\nSystem.out.println(e);\nSystem.out.println(\"Instance of Power: \" + (e instanceof Power));\n```\n\nprints:\n\n```\n8 mW\nInstance of Power: true\n```\n\nIn this example, Seshat detects that the result of N*m/s is Watt,\ninherits the milli prefix from millimetre and creates an instance\nof `Power`, not just `Quantity\u003cPower\u003e` (the generic parent).\n\nParsing and formatting use Unicode symbols by default, as in µg/m².\nParenthesis are recognized at parsing time and used for denominators at formatting time, as in kg/(m²⋅s).\nWhile uncommon, Seshat accepts fractional powers as in m^⅔.\nSome sentences like _\"100 feet\"_, _\"square metre\"_ and _\"degree Kelvin\"_\nare also recognized at parsing time.\n\nSeshat requires Java 11 and has no dependency other than JSR 385 and `java.base` module.\n\n\n## Maven dependency\n\nLatest release can be used in a Maven project with following configuration:\n\n```\n\u003cproject\u003e\n  \u003cdependencies\u003e\n    \u003cdependency\u003e\n      \u003cgroupId\u003etech.uom\u003c/groupId\u003e\n      \u003cartifactId\u003eseshat\u003c/artifactId\u003e\n      \u003cversion\u003e1.3\u003c/version\u003e\n    \u003c/dependency\u003e\n  \u003c/dependencies\u003e\n\u003c/project\u003e\n```\n\n\n## Links\n* [Web site](https://unitsofmeasurement.github.io/seshat/)\n* [Javadoc](https://unitsofmeasurement.github.io/seshat/api/)\n* [GitHub](https://github.com/unitsofmeasurement/seshat)\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Funitsofmeasurement%2Fseshat","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Funitsofmeasurement%2Fseshat","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Funitsofmeasurement%2Fseshat/lists"}