diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..23baf58
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# 디폴트 무시된 파일
+/shelf/
+/workspace.xml
diff --git a/.idea/copyright/Elex_Project.xml b/.idea/copyright/Elex_Project.xml
new file mode 100644
index 0000000..72d9189
--- /dev/null
+++ b/.idea/copyright/Elex_Project.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/copyright/profiles_settings.xml b/.idea/copyright/profiles_settings.xml
new file mode 100644
index 0000000..ce14878
--- /dev/null
+++ b/.idea/copyright/profiles_settings.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Writerside/c.list b/Writerside/c.list
new file mode 100644
index 0000000..c4c77a2
--- /dev/null
+++ b/Writerside/c.list
@@ -0,0 +1,6 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/Writerside/cfg/buildprofiles.xml b/Writerside/cfg/buildprofiles.xml
new file mode 100644
index 0000000..a276d4f
--- /dev/null
+++ b/Writerside/cfg/buildprofiles.xml
@@ -0,0 +1,17 @@
+
+
+
+
+
+
+
+
+ true
+
+
+
+
diff --git a/Writerside/f.tree b/Writerside/f.tree
new file mode 100644
index 0000000..95e7fc6
--- /dev/null
+++ b/Writerside/f.tree
@@ -0,0 +1,22 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Writerside/images/completion_procedure.png b/Writerside/images/completion_procedure.png
new file mode 100644
index 0000000..3535a3f
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diff --git a/Writerside/images/completion_procedure_dark.png b/Writerside/images/completion_procedure_dark.png
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index 0000000..a65beb0
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diff --git a/Writerside/images/convert_table_to_xml.png b/Writerside/images/convert_table_to_xml.png
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index 0000000..2518a64
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diff --git a/Writerside/images/convert_table_to_xml_dark.png b/Writerside/images/convert_table_to_xml_dark.png
new file mode 100644
index 0000000..4716122
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diff --git a/Writerside/images/new_topic_options.png b/Writerside/images/new_topic_options.png
new file mode 100644
index 0000000..bc6abb6
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diff --git a/Writerside/images/new_topic_options_dark.png b/Writerside/images/new_topic_options_dark.png
new file mode 100644
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diff --git a/Writerside/topics/Array.md b/Writerside/topics/Array.md
new file mode 100644
index 0000000..64db03b
--- /dev/null
+++ b/Writerside/topics/Array.md
@@ -0,0 +1,28 @@
+# 배열
+
+포트란에서 배열의 첫 번째 인덱스는 1부터 시작됩니다.
+
+## 배열의 선언
+
+배열을 선언하는 방법은 2가지가 있습니다.
+
+```fortran
+! dimension 키워드를 이용하는 방식
+integer, dimension(10) :: array1
+
+! 변수명 뒤에 배열의 크기를 전달하는 방식
+integer :: array2(10)
+```
+
+### 다차원 배열
+
+```fortran
+real, dimension(10, 10) :: array3
+```
+
+### 배열의 인덱스를 명시
+
+```fortran
+integer :: array4(0:9)
+integer :: array5(-5:5)
+```
\ No newline at end of file
diff --git a/Writerside/topics/Hello-world.md b/Writerside/topics/Hello-world.md
new file mode 100644
index 0000000..86b7849
--- /dev/null
+++ b/Writerside/topics/Hello-world.md
@@ -0,0 +1,14 @@
+# Hello, World
+
+```fortran
+program hello
+ implicit none
+ ! This is a Hello world program.
+ print *, 'Hello, World!'
+end program hello
+```
+
+## 특이사항
+
+- 대소문자를 구분하지 않습니다.
+- 배열의 첫 번째 인덱스는 1부터 시작됩니다.
\ No newline at end of file
diff --git a/Writerside/topics/IO.md b/Writerside/topics/IO.md
new file mode 100644
index 0000000..3285362
--- /dev/null
+++ b/Writerside/topics/IO.md
@@ -0,0 +1,28 @@
+# 표준 입출력
+
+```fortran
+program stdio
+ implicit none
+
+ character(len=16) :: name
+
+ read (*,*) name
+ print *, 'Hello, ', name
+end program stdio
+```
+
+## 표준 출력
+
+화면에 출력할 때에는 `print`를 사용합니다.
+
+```fortran
+print *, 'Hello, ', name
+```
+
+## 표준 입력
+
+키보드로부터 입력을 받을 때에는 `read`를 사용합니다.
+
+```fortran
+read (*,*) name
+```
\ No newline at end of file
diff --git a/Writerside/topics/Operator.md b/Writerside/topics/Operator.md
new file mode 100644
index 0000000..93c0e64
--- /dev/null
+++ b/Writerside/topics/Operator.md
@@ -0,0 +1,9 @@
+# 연산자
+
+| 연산자 | | |
+| --- | --- | --- |
+| + | | |
+| - | | |
+| * | | |
+| / | | |
+| ** | | |
\ No newline at end of file
diff --git a/Writerside/topics/String.md b/Writerside/topics/String.md
new file mode 100644
index 0000000..863b4a8
--- /dev/null
+++ b/Writerside/topics/String.md
@@ -0,0 +1,3 @@
+# String
+
+Start typing here...
\ No newline at end of file
diff --git a/Writerside/topics/Variable.md b/Writerside/topics/Variable.md
new file mode 100644
index 0000000..ca23793
--- /dev/null
+++ b/Writerside/topics/Variable.md
@@ -0,0 +1,80 @@
+# 변수
+
+## 자료형
+
+포트란에는 5 종류의 기본 자료형이 있습니다.
+
+- integer
+
+- real
+
+- complex
+
+- character
+
+- logical
+
+
+### 정수형
+
+### 실수형
+
+```fortran
+program variables
+ implicit none
+ real :: value1
+end program variables
+```
+
+아래와 같은 방식으로 원하는 부동 소수의 정밀도를 지정해서 사용할 수 있습니다.
+
+```fortran
+program variables
+ use, intrinsic :: iso_fortran_env, only: sp=>real32, dp=>real64
+ ! use, intrinsic :: iso_c_binding, only: sp=>c_float, dp=>c_double
+ implicit none
+
+ real :: val0
+ real(sp) :: val1 ! 단정도
+ real(dp) :: val2 ! 배정도
+
+ val0 = 0.
+ val1 = 0._sp
+ val2 = 0._dp
+
+ print *, 'Max = ', huge(val0)
+ print *, 'Max32 = ', huge(val1)
+ print *, 'Max64 = ', huge(val2)
+
+end program variables
+```
+
+### 복소수형
+
+복소수는 실수부와 허수부를 콤마로 구분하고 괄호로 묶어 표현합니다.
+
+### 문자형
+
+문자는 홑 따옴표 또는 쌍 따옴표로 묶어서 표현합니다.
+
+### 논리형
+
+`.true.` 또는 `.false.`값을 가질 수 있습니다.
+
+## 변수 선언
+
+변수는 `자료형 :: 변수명` 형식을 사용해서 정의합니다. 포트란은 대소문자를 구분하지 않으며, 이 규칙은 변수명에도 적용됩니다. 변수명의 길이는 최대 31자까지만 지정할 수 있습니다.
+
+```fortran
+program variables
+ implicit none
+
+ integer :: count
+ logical :: isOk
+
+end program variables
+```
+
+### implicit none
+
+기본적으로 포트란에서는, 선언되지 않은 변수를 사용하면 변수명의 첫 번째 문자에 따라 자동으로 변수를 선언합니다. `implicit none`을 선언하면 무조건 변수해야 하도록 지정합니다.
\ No newline at end of file
diff --git a/Writerside/topics/starter-topic.md b/Writerside/topics/starter-topic.md
new file mode 100644
index 0000000..b0af15f
--- /dev/null
+++ b/Writerside/topics/starter-topic.md
@@ -0,0 +1,19 @@
+# Fortran
+
+## 설치
+
+```bash
+sudo apt install gfortran
+```
+
+## 버전 확인
+
+```bash
+gfortran --version
+```
+
+## 컴파일
+
+```bash
+gfortran hello.f90 -o hello
+```
\ No newline at end of file
diff --git a/Writerside/v.list b/Writerside/v.list
new file mode 100644
index 0000000..2d12cb3
--- /dev/null
+++ b/Writerside/v.list
@@ -0,0 +1,5 @@
+
+
+
+
+
diff --git a/Writerside/writerside.cfg b/Writerside/writerside.cfg
new file mode 100644
index 0000000..56c4b7e
--- /dev/null
+++ b/Writerside/writerside.cfg
@@ -0,0 +1,13 @@
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file