numeral.js

Based on this lib but you can extend and combine any libraries you want
Modify the nemathode.numeral.config.js file:
nemathode.numeral.config.js
import numeral, { Numeral } from 'numeral';

module.exports = {
    mathConstants: {
        'E': Math.E,
        'LN2': Math.LN2,
        'LN10': Math.LN10,
        'LOG10E': Math.LOG10E,
        'LOG2E': Math.LOG2E,
        'PI': Math.PI,
        'SQRT1_2': Math.SQRT1_2,
        'SQRT2': Math.SQRT2,
    },
    functions: {
        'abs': {
            implementation: (...args) => {
                return Math.abs(...args);
            },
        },
        'min': {
            implementation: (...args) => {
                return Math.min(...args);
            },
        },
        'areEqual': {
            implementation: (...args: number[]): boolean => {
                return args.every(v => v === args[0]);
            },
        },
    },
    toInputType: (val: number): Numeral | any => {
        if (typeof val === 'number') {
            const input = numeral(val);
            return input;
        }
        return val;
    },
    toOutputValue: (val: Numeral): number | any => {
        if (typeof val === 'object') {
            return val.value();
        }
        return val;
    },
    /* toInputType: (val: number): numeral.Numeral => numeral(val),
    toOutputValue: (val: numeral.Numeral): number => val.value() as number, */
    binaryOperators: {
        '+': {
            precedence: 1,
            implementation: (
                l: Numeral,
                r: Numeral,
            ): Numeral => {
                return l.add(r.value());
            },
        },
        '-': {
            precedence: 1,
            implementation: (
                l: Numeral,
                r: Numeral,
            ): Numeral => {
                return l.subtract(r.value());
            },
        },
        '*': {
            precedence: 2,
            implementation: (
                l: Numeral,
                r: Numeral,
            ): Numeral => {
                return l.multiply(r.value());
            },
        },
        '/': {
            precedence: 2,
            implementation: (
                l: Numeral,
                r: Numeral,
            ): Numeral => {
                return l.divide(r.value());
            },
        },
        '%': {
            precedence: 2,
            implementation: (l: Numeral, r: Numeral): Numeral => {
                return numeral(l.value() % r.value());
            },
        },
    },
};