From 8491bcd3aecb992517a32e2c5c1958219c04b7ed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=87=92=E5=BE=97=E5=8B=A4=E5=BF=AB?=
 <20254980+ldqk@users.noreply.github.com>
Date: Tue, 11 Aug 2020 11:19:48 +0800
Subject: [PATCH] Update README.md

---
 README.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/README.md b/README.md
index 9b9102d..60f9e77 100644
--- a/README.md
+++ b/README.md
@@ -84,7 +84,16 @@ Console.WriteLine("12345678的36进制是：" + s36); // 7clzi
 Console.WriteLine("36进制的7clzi是：" + num); // 12345678
 ```
 ```csharp
+//扩展方法形式调用
 var bin=12345678.ToBinary(36);//7clzi
+var num="7clzi".FromBinary(36);//12345678
+```
+```csharp
+//超大数字的进制转换
+var num = "E6186159D38CD50E0463A55E596336BD".FromBinaryBig(16);
+Console.WriteLine(num); // 十进制：305849028665645097422198928560410015421
+Console.WriteLine(num.ToBinary(64)); // 64进制：3C665pQUPl3whzFlVpoPqZ，22位长度
+Console.WriteLine(num.ToBinary(36)); // 36进制：dmed4dkd5bhcg4qdktklun0zh，25位长度
 ```
 ### 7.纳秒级性能计时器
 ```csharp