// basic usage // load math.js var math = require('../math.js'); /** * Helper function to output a value in the console. Value will be formatted. * @param {*} value */ function print (value) { console.log(math.format(value)); } // functions and constants console.log('functions and constants'); print(math.round(math.e, 3)); // 2.718 print(math.atan2(3, -3) / math.pi); // 0.75 print(math.log(1000, 10)); // 3 print(math.sqrt(-4)); // 2i print(math.pow([[-1, 2], [3, 1]], 2)); // [[7, 0], [0, 7]] console.log(); // expressions console.log('expressions'); print(math.eval('1.2 / (2.3 + 0.7)')); // 0.4 print(math.eval('5.08 cm in inch')); // 2 inch print(math.eval('sin(45 deg) ^ 2')); // 0.5 print(math.eval('9 / 3 + 2i')); // 3 + 2i print(math.eval('det([-1, 2; 3, 1])')); // -7 console.log(); // chained operations console.log('chained operations'); var a = math.select(3) .add(4) .multiply(2) .done(); print(a); // 14