npm install modulus-combine
var ModulusCombine = require('modulus-combine');
// 4 digits before the decimal and keep 5 decimal digits (9 total)
var modulusCombine = new ModulusCombine(4, 10);
modulusCombine.compress(3.456789, 367.123123123);
// -> 34567800000036712000
modulusCombine.deflate(34567800000036712000);
// -> [ 3.45678, 367.12448 ]
Modulus Combine is released under the ISC license. See LICENSE.