From 404c8d04f86b593e8fe4f55539ef0e51dc597b91 Mon Sep 17 00:00:00 2001
From: Thomas Regulski <tomek.regulski@gmail.com>
Date: Fri, 11 Dec 2020 00:35:44 +0000
Subject: [PATCH] Done.

---
 index.js | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/index.js b/index.js
index e69de29bb2..c524b41928 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,33 @@
+function add(a, b) {
+  return a += b
+}
+
+function subtract(a, b) {
+  return a -= b
+}
+
+function multiply(a, b) {
+  return a *= b
+}
+
+function divide(a, b) {
+  return a /= b
+}
+
+function increment(n) {
+  n++
+  return n
+}
+
+function decrement(n) {
+  n--
+  return n
+}
+
+function makeInt(n) {
+  return parseInt(n, 10)
+}
+
+function preserveDecimal(n) {
+  return parseFloat(n)
+}