| 1 | const { create, evaluateDependencies } = require('../..')
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| 2 |
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| 3 | // custom implementations of all functions you want to support
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| 4 | const add = (a, b) => a + b
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| 5 | const subtract = (a, b) => a - b
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| 6 | const multiply = (a, b) => a * b
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| 7 | const divide = (a, b) => a / b
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| 8 |
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| 9 | // create a mathjs instance with hardly any functions
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| 10 | // there are some functions created which are used internally by evaluate though,
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| 11 | // for example by the Unit class which has dependencies on addScalar, subtract,
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| 12 | // multiplyScalar, etc.
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| 13 | const math = create(evaluateDependencies)
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| 14 |
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| 15 | // import your own functions
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| 16 | math.import({ add, subtract, multiply, divide }, { override: true })
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| 17 |
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| 18 | console.log(math.evaluate('2 + 3 * 4')) // 14
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