diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..67f9f12
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/.quarto/
+/_site/
\ No newline at end of file
diff --git a/README.md b/README.md
index bc2e669..b2df2fd 100644
--- a/README.md
+++ b/README.md
@@ -1,66 +1,7 @@
-
-
-
+
+
+[_Pre-release Page_ (GitHub)](https://github.com/fiakoenjiniring/feidlambda/releases/tag/v0.1.0){.fs-6}
+:::
+
+Berikut daftar fungsi yang tersedia di koleksi `feidlambda` versi 0.1.0:
+
+## REPEATCOLS
+
+::: {.callout-tip appearance="minimal"}
+`feid.utils.`REPEATCOLS
+: Mengulangi _vector_ sebanyak _n_ dalam bentuk kolom.
+
+_return_
+: _COLUMN VECTOR_
+:::
+
+::: {.column-margin .callout-warning appearance="simple"}
+Jika `num_repeat` tidak diisi, maka secara _default_ bernilai 2.
+:::
+
+```r
+=feid.utils.REPEATCOLS(vector, [num_repeat])
+```
+
+
+
+## SORTCOLS
+
+::: {.callout-tip appearance="minimal"}
+`feid.utils.`SORTCOLS
+: Menyusun ulang setiap kolom, berdasarkan _header_ yang diurutkan.
+
+_return_
+: _ARRAY_
+:::
+
+::: {.column-margin .callout-warning appearance="simple"}
+Jika _input table_ sebagai `array`, maka pastikan memisahkan antara _header array_ dan isinya.
+:::
+
+```r
+=feid.utils.SORTCOLS(table, table_header)
+```
+
+
+
+## REPEATROWS
+
+::: {.callout-tip appearance="minimal"}
+`feid.utils.`REPEATROWS
+: Serupa dengan `.REPEATCOLS`, mengulangi _vector_ sebanyak _n_ dalam bentuk baris
+
+_return_
+: _ROW VECTOR_
+:::
+
+::: {.column-margin .callout-warning appearance="simple"}
+Jika `num_repeat` tidak diisi, maka secara _default_ bernilai 2.
+:::
+
+```r
+=feid.utils.REPEATROWS(vector, [num_repeat])
+```
+
+
+
+## RESHAPECOLS
+
+::: {.callout-tip appearance="minimal"}
+`feid.utils.`RESHAPECOLS
+: Mengubah dimensi array dari dimensi _rows x columns_, menjadi _rows x nsplit_ tanpa mengubah susunan baris _array_.
+
+_return_
+: _ARRAY_
+:::
+
+::: {.column-margin .callout-warning appearance="simple"}
+Jika `nsplit` tidak diisi, maka _default_ bernilai 2.
+:::
+
+```r
+=feid.utils.RESHAPECOLS(array, [nsplit])
+```
+
+
+
+## FINDINDEX2D
+
+::: {.callout-tip appearance="minimal"}
+`feid.utils.`FINDINDEX2D
+: Mencari index suatu elemen dari _array_ dengan keluaran berupa urutan elemennya, posisi baris dan kolom.
+
+_return_
+: _ARRAY / ROW VECTOR_ with {number element; index row; index column}
+:::
+
+```r
+=feid.utils.FINDINDEX2D(lookup_value, array)
+```
+
+
diff --git a/release/feidlambda-0-2-0.qmd b/release/feidlambda-0-2-0.qmd
new file mode 100644
index 0000000..35d3b1c
--- /dev/null
+++ b/release/feidlambda-0-2-0.qmd
@@ -0,0 +1,113 @@
+---
+title: |
+ feidlambda 0.2.0
+subtitle: |
+ Fitur terbaru di `feidlambda v0.2.0`
+author: "Taruma Sakti Megariansyah"
+abstract: |
+ Pada _prerelease_ feidlambda (v0.2.0) memperkenalkan beberapa fitur untuk memanipulasi
+ _dynamic array_. Berikut fitur yang ditambahkan pada `feidlambda v0.2.0`: `COMPAREVECTOR`, `MULTICHECK`, `DROPROWS`, `DROPCOLS`, `COUNTMULTICHECK`.
+date: 2022-09-28
+
+toc: true
+toc-location: right
+number-sections: true
+number-offset: [0, 5]
+link-external-newwindow: true
+layout: article
+---
+
+::: {.callout-important icon="false" .text-center}
+## Official GIST **feid.utils** (v0.2.0)
+
+[_Pre-release Page_ (GitHub)](https://github.com/fiakoenjiniring/feidlambda/releases/tag/v0.2.0){.fs-6}
+:::
+
+Berikut daftar fungsi yang tersedia di koleksi `feidlambda` versi 0.2.0:
+
+## COMPAREVECTOR
+
+::: {.callout-tip appearance="minimal"}
+`feid.utils.`COMPAREVECTOR
+: Memeriksa apakah setiap elemen di `LEFT VECTOR` merupakan bagian (_equal_ / `=`) dari `RIGHT VECTOR`.
+
+_return_
+: _BOOLEAN VECTOR_
+:::
+
+```r
+=feid.utils.COMPAREVECTOR(left_vector, right_vector)
+```
+
+
+
+## MULTICHECK
+
+::: {.callout-tip appearance="minimal"}
+`feid.utils.`MULTICHECK
+: Memeriksa apakah pada setiap kolom _equal_ / `=` dengan `SEARCH VECTOR`. Dan diproses setiap barisnya menggunakan `AND` atau `OR`.
+
+_return_
+: _BOOLEAN VECTOR_
+:::
+::: {.column-margin .callout-note}
+`check_condition` diisi `"OR"` atau `"AND"`, jika tidak diisi dianggap `"AND"`.
+:::
+
+```r
+=feid.utils.MULTICHECK(array, search_vector, [check_condition])
+```
+
+
+
+## DROPROWS
+
+::: {.callout-tip appearance="minimal"}
+`feid.utils.`DROPROWS
+: Menghapus baris ke-n dari `array`.
+
+_return_
+: _ARRAY_
+:::
+
+```r
+=feid.utils.DROPROWS(array, index_to_drop)
+```
+
+
+
+## DROPCOLS
+
+::: {.callout-tip appearance="minimal"}
+`feid.utils.`DROPCOLS
+: Menghapus kolom ke-n dari `array`.
+
+_return_
+: _ARRAY_
+:::
+
+```r
+=feid.utils.DROPCOLS(array, index_to_drop)
+```
+
+
+
+## COUNTMULTICHECK
+
+::: {.callout-tip appearance="minimal"}
+`feid.utils.`COUNTMULTICHECK
+: Menghitung jumlah `TRUE` dari `MULTICHECK`.
+
+_return_
+: _INTEGER_
+:::
+::: {.column-margin .callout-note}
+`check_condition` diisi `"OR"` atau `"AND"`, jika tidak diisi dianggap `"AND"`.
+:::
+
+```r
+=feid.utils.COUNTMULTICHECK(array, search_vector, [check_condition])
+```
+
+
+
diff --git a/release/feidlambda.qmd b/release/feidlambda.qmd
new file mode 100644
index 0000000..633ebc2
--- /dev/null
+++ b/release/feidlambda.qmd
@@ -0,0 +1,216 @@
+---
+title: |
+ _Source Code_ feidlambda
+subtitle: |
+ _Source Code_ Koleksi lambda versi 0.2.0
+author: fiakodev
+date: 2022-09-28
+toc: false
+link-external-newwindow: true
+layout: article
+license: MIT LICENSE
+
+code-copy: true
+code-line-numbers: true
+code-link: true
+code-block-border-left: "#34a3f7"
+code-overflow: scroll
+
+---
+
+::: {.callout-note icon="false" .text-center}
+## Official GIST **feid.utils** (v0.2.0)
+
+:::
+
+```default
+/*
+fiako.utils v0.2.0
+LOGIC / UTILITIES FUNCTIONS BY FIAKO ENGINEERING
+GIST LOGIC/UTILITIES (feid.utils): https://gist.github.com/taruma/60610672a9bd94724cba46f68b5614fa
+REPOSITORY: https://github.com/fiakoenjiniring/feidlambda
+AUTHOR: @taruma, LKO
+TESTED: Microsoft 365 Business v2209 (Build 15629.20156)
+*/
+
+// INDEPENDENT FUNCTIONS
+
+// NEW IN v0.1
+REPEATCOLS = LAMBDA(
+ vector,
+ [num_repeat],
+ LET(
+ num_repeat, IF(ISOMITTED(num_repeat), 2, num_repeat),
+ colvector, TOCOL(vector),
+ repeatvector, CHOOSECOLS(colvector, SEQUENCE(num_repeat,,1,0)),
+ TOCOL(repeatvector,,TRUE)
+ )
+);
+
+SORTCOLS = LAMBDA(
+ table,
+ table_header,
+ LET(
+ header, table_header,
+ values, table,
+ ncols, COLUMNS(table),
+ headstack, VSTACK(header, SEQUENCE(1, ncols)),
+ headsorted, SORT(headstack, 1, 1, TRUE),
+ newindex, CHOOSEROWS(headsorted, 2),
+ sortedvalues, CHOOSECOLS(values, newindex),
+ sortedheader, CHOOSEROWS(headsorted, 1),
+ VSTACK(sortedheader, sortedvalues)
+ )
+);
+
+// NEW IN v0.2
+COMPAREVECTOR = LAMBDA(
+ left_vector,
+ right_vector,
+ LET(
+ left_vector, TOCOL(left_vector),
+ right_vector, TOCOL(right_vector),
+ BYROW(
+ left_vector, LAMBDA(
+ left,
+ OR(BYROW(
+ right_vector, LAMBDA(
+ right,
+ left=right
+ )
+ ))
+ )
+ )
+ )
+);
+
+MULTICHECK = LAMBDA(
+ array,
+ search_vector,
+ [check_condition],
+ LET(
+ searchvector, TOROW(search_vector),
+ nrows, ROWS(array),
+ repeatarray, CHOOSEROWS(searchvector, SEQUENCE(nrows,,1,0)),
+ boolarray, MAP(array, repeatarray, LAMBDA(x, y, x=y)),
+ checkcondition, IF(ISOMITTED(check_condition), "AND", check_condition),
+ SWITCH(LOWER(checkcondition),
+ "and", BYROW(boolarray, LAMBDA(x, AND(x))),
+ "or", BYROW(boolarray, LAMBDA(x, OR(x))),
+ "INVALID CHECK CONDITION"
+ )
+ )
+);
+
+// DEPENDENT FUNCTIONS (USING PREVIOUS FUNCTIONS)
+
+// NEW IN v0.1
+REPEATROWS = LAMBDA(
+ vector,
+ [num_repeat],
+ LET(
+ num_repeat, IF(ISOMITTED(num_repeat), 2, num_repeat),
+ repeatvector, REPEATCOLS(vector, num_repeat),
+ TOROW(repeatvector,,TRUE)
+ )
+);
+
+RESHAPECOLS = LAMBDA(
+ array,
+ [nsplit],
+ LET(
+ nsplit, IF(ISOMITTED(nsplit), 2, nsplit),
+ ncols, COLUMNS(array),
+ nrows, ROWS(array),
+ divider, CEILING.MATH(ncols/nsplit),
+ seqarray, CHOOSEROWS(SEQUENCE(1,divider), SEQUENCE(nsplit,,1,0)),
+ flatseq, TAKE(TOCOL(seqarray,,TRUE),ncols),
+ repseq, REPEATCOLS(flatseq, nrows),
+ flatarray, TOCOL(array),
+ sortedarray, SORTBY(flatarray,repseq),
+ IF(
+ MOD(ncols, nsplit)=0,
+ WRAPROWS(sortedarray, nsplit, ""),
+ CONCAT(
+ "Pick another nsplit. ",
+ "MOD(",ncols,",",nsplit,")",
+ " != 0."
+ )
+ )
+ )
+);
+
+FINDINDEX2D = LAMBDA(
+ lookup_value,
+ array,
+ LET(
+ nrows, ROWS(array),
+ ncols, COLUMNS(array),
+ size, nrows*ncols,
+ colarray, TOCOL(array),
+ seqrows, SORT(REPEATCOLS(SEQUENCE(nrows), ncols)),
+ seqcols, REPEATCOLS(SEQUENCE(ncols), nrows),
+ idnumber, SEQUENCE(size),
+ lookuptable, HSTACK(idnumber, seqrows, seqcols),
+ FILTER(lookuptable, colarray=lookup_value)
+ )
+);
+
+// NEW IN v0.2
+DROPROWS = LAMBDA(
+ array,
+ index_to_drop,
+ LET(
+ nrows, ROWS(array),
+ indexdrop, TOCOL(index_to_drop),
+ indexdropclean, FILTER(indexdrop, NOT(ISBLANK(indexdrop))),
+ seqvector, SEQUENCE(nrows),
+ boolvector, NOT(COMPAREVECTOR(seqvector, indexdropclean)),
+ FILTER(array, boolvector)
+ )
+);
+
+DROPCOLS = LAMBDA(
+ array,
+ index_to_drop,
+ LET(
+ transarray, TRANSPOSE(array),
+ droparray, DROPROWS(transarray, index_to_drop),
+ TRANSPOSE(droparray)
+ )
+);
+
+COUNTMULTICHECK = LAMBDA(
+ array,
+ search_vector,
+ [check_condition],
+ LET(
+ result, MULTICHECK(array, search_vector, check_condition),
+ SUM(INT(result))
+ )
+);
+
+/*
+MIT License
+
+Copyright (c) 2022 PT. FIAKO ENJINIRING INDONESIA
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+```
\ No newline at end of file
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diff --git a/release/penggunaan.qmd b/release/penggunaan.qmd
new file mode 100644
index 0000000..461967d
--- /dev/null
+++ b/release/penggunaan.qmd
@@ -0,0 +1,58 @@
+---
+title: |
+ Penggunaan feidlambda
+subtitle: |
+ Panduan pemasangan koleksi lambda `feidlambda` versi 0.x
+author: Taruma Sakti Megariansyah
+date: 2022-10-20
+toc: true
+toc-location: right
+number-sections: true
+link-external-newwindow: true
+layout: article
+---
+
+## **Advanced Formula Environment**
+
+_Install_ add-ins **Advanced Formula Environment** dari menu `Insert` > `Get Add-ins` > Cari **Advanced Formula Environment** (AFE).
+
+::: {.column-page}
+
+:::
+
+## _Import_ menggunakan AFE
+
+Setelah AFE terpasang di Microsoft Excel, lakukan _import_ dengan membuka AFE melalui `Home` > `Advanced Formula Environment` > `Import`.
+
+::: {.column-page}
+
+:::
+
+## Salin _Github Gist URL_
+
+Isi "Github Gist URL" dengan link koleksi lambda yang tersedia. _Checklist_ ✅ bagian "_Add formulas to new namespace_" dan isi _namespace_ dengan nama koleksi (contoh: `feid.utils`).
+
+::: {.callout-tip appearance="simple"}
+Lakukan langkah _import_ (2-3) untuk setiap koleksi yang ingin ditambahkan.
+:::
+
+
+
+## _Sync_ formula
+
+Setelah _import_ seluruh koleksi yang digunakan, lakukan _synchronize_ yang bertujuan menyamakan nama pada _Formula/Excel Name Manager_.
+
+::: {.callout-caution appearance="simple"}
+Jika muncul peringatan mengenai _hidden sheets_, pilih "Allow ...".
+:::
+
+
+
+
+## Gunakan koleksi lambda
+
+Selesai _sync_, fungsi lambda bisa langsung digunakan.
+
+::: {.column-page}
+
+:::
diff --git a/styles.css b/styles.css
new file mode 100644
index 0000000..12ee834
--- /dev/null
+++ b/styles.css
@@ -0,0 +1,5 @@
+/* css styles */
+
+.figure-caption {
+ text-align: center;
+}
\ No newline at end of file