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https://github.com/josdejong/mathjs.git
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8f8e506166
* added subtractScaler * added subtractScaler missing entries * added test cases for 2 or more parameters, test for subtractScalar instead fo subtract * replaced subtract with subtractScalar whereever possible --------- Co-authored-by: Jos de Jong <wjosdejong@gmail.com>
22 lines
853 B
JavaScript
22 lines
853 B
JavaScript
// we use the number only implementation in order to not pull in
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// the `Unit` class for example. when using as library,
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// use require('mathjs/number')
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const { create, evaluateDependencies } = require('../../lib/cjs/number.js')
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// custom implementations of all functions you want to support
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const add = (a, b) => a + b
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const subtract = (a, b) => a - b
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const multiply = (a, b) => a * b
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const divide = (a, b) => a / b
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// create a mathjs instance with hardly any functions
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// there are some functions created which are used internally by evaluate though,
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// for example by the Unit class which has dependencies on addScalar, subtractScalar,
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// multiplyScalar, etc.
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const math = create(evaluateDependencies)
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// import your own functions
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math.import({ add, subtract, multiply, divide }, { override: true })
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console.log(math.evaluate('2 + 3 * 4')) // 14
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