From 6a324ff136302b1bb7e14e3a25bf4520e03d25d1 Mon Sep 17 00:00:00 2001
From: Muneyuki Noguchi <nogu.dev@gmail.com>
Date: Sun, 25 Oct 2020 21:18:11 +0900
Subject: [PATCH] Add description on requirements

---
 README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/README.md b/README.md
index ccdedd3..71e6f9b 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,10 @@
 # go-calculator
 
+## Requirements
+
+* Go 1.14+
+  * for [`math.FMA()`](https://golang.org/pkg/math/#FMA)
+
 ## Usage
 
 ```