diff --git a/README.md b/README.md
index 28eb5facb83078439ecc40613c2156a170f1aede..bc63a0019448587cb6d4ab74440162ab9805737c 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,33 @@
-# fx_s2308
+## 실전코딩2 Team Project - Team 5
+### members
 
+| | name |
+| ---- | ---- |
+| 1 | Baek Seungsu |
+| 2 | Choi Jinyoung |
+| 3 | Han Suchan |
+| 4 | Woo Nayoung |
+
+## Fixed Point Number - fx_s2308
+
+* sXXYY fixed point number
+* s: 부호 비트
+* XX: 소수점 위 비트 수 (정수부)
+* YY: 소수점 아래 비트 수 (소수부)
+
+### 입력 값 범위
+* 0 ~ 4294967296 (2^32-1)
+
+### minimum (최솟값)
+* -2^23 (실수값)
+
+### maximum (최댓값)
+* (2^23) - (2^(-8)) (실수값)
+
+### resolution (분해능)
+* 2^(-8)
+
+### list of functions
+* fx_sine
+* fx_sqrt
+* fx_pow
\ No newline at end of file