From 8dde5f7432ae34e7ddf42cfc7f04731dc54b848b Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Mon, 19 Feb 2024 23:49:21 +0700
Subject: [PATCH 1/8] [pre-commit.ci] pre-commit autoupdate (#66)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.2.1 → v0.2.2](https://github.com/astral-sh/ruff-pre-commit/compare/v0.2.1...v0.2.2)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
---
 .pre-commit-config.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index fab6c11..c63e2e2 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -22,7 +22,7 @@ repos:
 
   # ruff adalah salah satu linter dan formatter kode
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.2.1
+    rev: v0.2.2
     hooks:
       - id: ruff
       - id: ruff-format

From 00b30f1c80171c122ec0d2c60a4c26ea72e101dc Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Wed, 13 Mar 2024 10:16:44 +0000
Subject: [PATCH 2/8] [pre-commit.ci] pre-commit autoupdate (#69)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.2.2 → v0.3.2](https://github.com/astral-sh/ruff-pre-commit/compare/v0.2.2...v0.3.2)
- [github.com/pre-commit/mirrors-mypy: v1.8.0 → v1.9.0](https://github.com/pre-commit/mirrors-mypy/compare/v1.8.0...v1.9.0)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
---
 .pre-commit-config.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c63e2e2..9cb2ac5 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -22,13 +22,13 @@ repos:
 
   # ruff adalah salah satu linter dan formatter kode
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.2.2
+    rev: v0.3.2
     hooks:
       - id: ruff
       - id: ruff-format
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.8.0
+    rev: v1.9.0
     hooks:
       - id: mypy
         args:

From 11f05d1ec3223ce8cd8a66aacb7fc31543fb38d2 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Tue, 7 May 2024 12:41:55 +0000
Subject: [PATCH 3/8] [pre-commit.ci] pre-commit autoupdate (#77)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

updates:
- [github.com/pre-commit/pre-commit-hooks: v4.5.0 → v4.6.0](https://github.com/pre-commit/pre-commit-hooks/compare/v4.5.0...v4.6.0)
- [github.com/MarcoGorelli/auto-walrus: v0.2.2 → 0.3.4](https://github.com/MarcoGorelli/auto-walrus/compare/v0.2.2...0.3.4)
- [github.com/astral-sh/ruff-pre-commit: v0.3.2 → v0.4.3](https://github.com/astral-sh/ruff-pre-commit/compare/v0.3.2...v0.4.3)
- [github.com/pre-commit/mirrors-mypy: v1.9.0 → v1.10.0](https://github.com/pre-commit/mirrors-mypy/compare/v1.9.0...v1.10.0)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
---
 .pre-commit-config.yaml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 9cb2ac5..141c2c9 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,7 +1,7 @@
 # konfigurasi pre commit
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.5.0
+    rev: v4.6.0
     hooks:
       - id: check-executables-have-shebangs
       - id: check-toml
@@ -16,19 +16,19 @@ repos:
   # contoh
   # total = sum(angka := num for num in nums )
   - repo: https://github.com/MarcoGorelli/auto-walrus
-    rev: v0.2.2
+    rev: 0.3.4
     hooks:
       - id: auto-walrus
 
   # ruff adalah salah satu linter dan formatter kode
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.3.2
+    rev: v0.4.3
     hooks:
       - id: ruff
       - id: ruff-format
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.9.0
+    rev: v1.10.0
     hooks:
       - id: mypy
         args:

From b3b5b02c82a2ca3ef22f0b5a7eb62e0d63d6b544 Mon Sep 17 00:00:00 2001
From: arfy slowy <slowy.arfy@gmail.com>
Date: Wed, 31 Jul 2024 07:59:41 +0700
Subject: [PATCH 4/8] chore(docs): menambahkan komentar kode (#90)

Signed-off-by: slowy07 <slowy.arfy@proton.me>
---
 OpenSeries/bilangan_istimewa.py | 2 ++
 OpenSeries/matematika.py        | 2 ++
 OpenSeries/statistika.py        | 5 +++++
 OpenSeries/util/constant.py     | 7 +------
 setup.py                        | 1 +
 5 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/OpenSeries/bilangan_istimewa.py b/OpenSeries/bilangan_istimewa.py
index 4261202..779a047 100644
--- a/OpenSeries/bilangan_istimewa.py
+++ b/OpenSeries/bilangan_istimewa.py
@@ -108,8 +108,10 @@ def angka_segitiga(angka: int) -> Union[int, error.ErrorTipeData, error.Error]:
         error.Error: jika angka negatif
         error.ErrorTipeData: jika tipe data salah
     """
+    # jika tipe data dari angka tidak integer
     if not isinstance(angka, int):
         return error.ErrorTipeData(["int"])
+    # jika value dari angka diisi nilai negatif
     if angka < 0:
         return error.Error("angka tidak boleh negatif")
     return angka * (angka + 1) // 2
diff --git a/OpenSeries/matematika.py b/OpenSeries/matematika.py
index a0fcd07..8a22fe3 100644
--- a/OpenSeries/matematika.py
+++ b/OpenSeries/matematika.py
@@ -243,6 +243,7 @@ def permutasi(nilai: int, r: int) -> Union[int, float, error.ErrorTipeData]:
         faktorial_nilai = faktorial(nilai)
         faktorial_nilai_r = faktorial(nilai - r)
 
+        # mengecek tipe data dari nilai faktorial
         if isinstance(faktorial_nilai, int) and isinstance(faktorial_nilai_r, int):
             return faktorial_nilai / faktorial_nilai_r
         else:
@@ -268,6 +269,7 @@ def kombinasi(nilai: int, r: int) -> Union[int, float, error.ErrorTipeData]:
         faktorial_r = faktorial(r)
         faktorial_nilai_r = faktorial(nilai - r)
 
+        # mengecek nilai dari faktorial nilai
         if (
             isinstance(faktorial_nilai, int)
             and isinstance(faktorial_r, int)
diff --git a/OpenSeries/statistika.py b/OpenSeries/statistika.py
index c48fa6d..9948fe6 100644
--- a/OpenSeries/statistika.py
+++ b/OpenSeries/statistika.py
@@ -18,10 +18,13 @@ def entropy(
         error.ErrorTipeData: error jika tipe data salah
         error.Error: jika nilai label yang diberikan kosong
     """
+    # jika tipe data dari label bukan list
     if not isinstance(label, (list)):
         return error.ErrorTipeData(["list"])
+    # jika nilai di dalam list kosong
     if not label:
         return error.Error("label tidak boleh kosong")
+    # jika nilai di dalam list itu tidak int
     if not all(isinstance(cek_nilai, int) for cek_nilai in label):
         return error.ErrorTipeData(["int"])
     _, count = np.unique(label, return_counts=True)
@@ -46,8 +49,10 @@ def standar_deviasi(
         error.ErrorTipeData: error jika tipe data salah
         error.Error: jika vektor yang diberikan kosong
     """
+    # cek parameter vektor jika tidak bertipe data np.ndarray
     if not isinstance(vektor, np.ndarray):
         return error.ErrorTipeData(["numpy array"])
+    # cek jika nilai vektor adalah 0
     if len(vektor) == 0:
         return error.Error("vektor tidak boleh kosong")
 
diff --git a/OpenSeries/util/constant.py b/OpenSeries/util/constant.py
index 85bbcd4..c04fc6e 100644
--- a/OpenSeries/util/constant.py
+++ b/OpenSeries/util/constant.py
@@ -8,14 +8,9 @@
 # dan dikarakterisasi dalam berbagai cara
 BILANGAN_EULER: float = 2.718281828459045235360
 
-# konstanta plank, yang dilambangankan dengan h, yang merupakan konstanta fisika
-# fundamental yang menghubungkan energi foton dengan frekuensinya, nilainya disini
-# adalah 6.6261 × 10⁻³⁴ (joule per detik)
-KONSTANTA_PLANCK = 6.6261 * pow(10, -34)
-
 # variable ini juga mewakili dari konstanta planck, tetapi dinyatan dalam satuan
 # elektron volt per detik (eV/s) nilainya adalah 4.1357 × 10⁻¹⁵ eV s⁻¹
-KONSTANTA_PLANCK = 4.1357 * pow(10, -15)
+KONSTANTA_PLANCK: float = 4.1357 * pow(10, -15)
 
 # default error dari warna menggunakan kode ANSI escape
 # merah
diff --git a/setup.py b/setup.py
index 0ae3bae..1b6099a 100644
--- a/setup.py
+++ b/setup.py
@@ -14,6 +14,7 @@
     if platform.system == "windows":
         core_require.append("pywin32")
 
+
 install_require = [x.strip() for x in core_require if "git+" not in x]
 
 # setup nama project

From 59b7a6d713b044bc032b746d41a16afdea703ad1 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Mon, 21 Oct 2024 16:47:07 +0000
Subject: [PATCH 5/8] [pre-commit.ci] pre-commit autoupdate (#97)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

updates:
- [github.com/pre-commit/pre-commit-hooks: v4.6.0 → v5.0.0](https://github.com/pre-commit/pre-commit-hooks/compare/v4.6.0...v5.0.0)
- [github.com/astral-sh/ruff-pre-commit: v0.4.3 → v0.7.0](https://github.com/astral-sh/ruff-pre-commit/compare/v0.4.3...v0.7.0)
- [github.com/pre-commit/mirrors-mypy: v1.10.0 → v1.12.1](https://github.com/pre-commit/mirrors-mypy/compare/v1.10.0...v1.12.1)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
---
 .pre-commit-config.yaml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 141c2c9..54a8613 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,7 +1,7 @@
 # konfigurasi pre commit
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.6.0
+    rev: v5.0.0
     hooks:
       - id: check-executables-have-shebangs
       - id: check-toml
@@ -22,13 +22,13 @@ repos:
 
   # ruff adalah salah satu linter dan formatter kode
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.4.3
+    rev: v0.7.0
     hooks:
       - id: ruff
       - id: ruff-format
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.10.0
+    rev: v1.12.1
     hooks:
       - id: mypy
         args:

From db6e60e519ab5ad5dfda57c57a5ad58486b30d23 Mon Sep 17 00:00:00 2001
From: Arlan Tengga <arlantengga8@gmail.com>
Date: Tue, 6 Jan 2026 22:03:43 +0700
Subject: [PATCH 6/8] feat: menambahkan gaya columnd

---
 OpenSeries/fisika.py   | 54 ++++++++++++++++++++++++++++++++++++++++++
 testing/fisika_test.py | 35 +++++++++++++++++++++++++++
 2 files changed, 89 insertions(+)

diff --git a/OpenSeries/fisika.py b/OpenSeries/fisika.py
index ae4c02f..f3c5ff7 100644
--- a/OpenSeries/fisika.py
+++ b/OpenSeries/fisika.py
@@ -1,3 +1,4 @@
+from OpenSeries.util import constant as konstanta
 from OpenSeries.util import error as error
 from typing import Union
 
@@ -268,3 +269,56 @@ def efek_doppler(
             "frekuensi tidak positif, kecepatan sumber relatif lebih besar dari kecepatan gelombang dalam medium"
         )
     return doppler
+
+def gaya_coulombs(
+        q1 : Union[int, float],
+        q2 : Union[int, float],
+        r : Union[int, float]
+    ) -> Union[int, float, error.ErrorDibagiNol, error.ErrorTipeData]:
+    """
+    Fungsi untuk menghitung gaya coulombs dari partikel
+
+    parameter:
+        q1(int atau float) : muatan partikel pertama
+        q2(int atau float) : muatan partikel kedua
+        r(int atau float) : jarak antar dua partikel
+    return
+        F(int atau float) : hasil kalkulasi
+    """
+    if not all(
+        isinstance(data, (float, int))
+        for data in [q1, q2, r]
+    ):
+        return error.ErrorTipeData(["int", "float"])
+    if r == 0:
+        return error.ErrorDibagiNol()
+    else:
+        F = konstanta.KONSTANTA_COULOMD * ((q1 * q2)/r**2)
+        return F
+
+
+def Energi_Potensial_Listrik(
+        q1: Union[int, float],
+        q2: Union[int, float],
+        r: Union[int, float]
+    ) -> Union[int, float, error.ErrorDibagiNol, error.ErrorTipeData]:
+    """
+    Fungsi untuk menghitung energi potensial listrik dari partikel
+
+    parameter:
+        q1(int atau float) : muatan partikel pertama
+        q2(int atau float) : muatan partikel kedua
+        r(int atau float) : jarak antar dua partikel
+    return
+        F(int atau float) : hasil kalkulasi
+    """
+    if not all(
+        isinstance(data, (float, int))
+        for data in [q1, q2, r]
+    ):
+        return error.ErrorTipeData(["int", "float"])
+    if r == 0:
+        return error.ErrorDibagiNol()
+    else:
+        F = konstanta.KONSTANTA_COULOMD * ((q1 * q2)/r)
+        return F
diff --git a/testing/fisika_test.py b/testing/fisika_test.py
index 5609a6a..347ecaa 100644
--- a/testing/fisika_test.py
+++ b/testing/fisika_test.py
@@ -129,3 +129,38 @@ def test_efek_doppler_nilai_negatif(self):
         self.assertIsInstance(hasil, error.Error)
         with self.assertRaises(error.Error):
             raise hasil
+
+class test_gaya_coulombs(unittest.TestCase):
+    def test_gaya_coulombs(self):
+        hasil = fisika.gaya_coulombs((4*pow(10, -2)), (2*pow(10, -3)), (0.6))
+        self.assertEqual(hasil, 1997222.2222222225)
+
+    def tets_gaya_coulombs_invalid_tipe_data(self):
+        hasil = fisika.gaya_coulombs((4*pow(10, -2)), "(2*pow(10, -3))", (0.6))
+        self.assertIsInstance(hasil, error.ErrorTipeData)
+        with self.assertIsInstance(error.ErrorTipeData):
+            raise hasil
+
+    def test_gaya_coulombs_di_bagi_nol(self):
+        hasil = fisika.gaya_coulombs((4*pow(10, -2)), (2*pow(10, -3)), 0)
+        self.assertIsInstance(hasil, error.ErrorDibagiNol)
+        with self.assertRaises(error.ErrorDibagiNol):
+            raise hasil
+
+
+class test_Energi_potensial_Listrik(unittest.TestCase):
+    def test_energi_potensial_listrik(self):
+        hasil = fisika.Energi_Potensial_Listrik((4*pow(10, -2)), (2*pow(10, -3)), (0.6))
+        self.assertEqual(hasil, 1198333.3333333335)
+
+    def tets_energi_potensial_listrik_invalid_tipe_data(self):
+        hasil = fisika.Energi_Potensial_Listrik((4*pow(10, -2)), "(2*pow(10, -3))", (0.6))
+        self.assertIsInstance(hasil, error.ErrorTipeData)
+        with self.assertIsInstance(error.ErrorTipeData):
+            raise hasil
+
+    def tets_energi_potensial_listrik_di_bagi_nol(self):
+        hasil = fisika.Energi_Potensial_Listrik((4*pow(10, -2)), (2*pow(10, -3)), 0)
+        self.assertIsInstance(hasil, error.ErrorDibagiNol)
+        with self.assertRaises(error.ErrorDibagiNol):
+            raise hasil

From a96de0a0a70b127063883cf5a6793a460c01cb47 Mon Sep 17 00:00:00 2001
From: Arlan Tengga <arlantengga8@gmail.com>
Date: Tue, 6 Jan 2026 22:05:47 +0700
Subject: [PATCH 7/8] feat: menambahkan gaya columnd

---
 OpenSeries/fisika.py   | 27 +++++++++------------------
 testing/fisika_test.py | 17 +++++++++++------
 2 files changed, 20 insertions(+), 24 deletions(-)

diff --git a/OpenSeries/fisika.py b/OpenSeries/fisika.py
index f3c5ff7..5116ed1 100644
--- a/OpenSeries/fisika.py
+++ b/OpenSeries/fisika.py
@@ -270,11 +270,10 @@ def efek_doppler(
         )
     return doppler
 
+
 def gaya_coulombs(
-        q1 : Union[int, float],
-        q2 : Union[int, float],
-        r : Union[int, float]
-    ) -> Union[int, float, error.ErrorDibagiNol, error.ErrorTipeData]:
+    q1: Union[int, float], q2: Union[int, float], r: Union[int, float]
+) -> Union[int, float, error.ErrorDibagiNol, error.ErrorTipeData]:
     """
     Fungsi untuk menghitung gaya coulombs dari partikel
 
@@ -285,23 +284,18 @@ def gaya_coulombs(
     return
         F(int atau float) : hasil kalkulasi
     """
-    if not all(
-        isinstance(data, (float, int))
-        for data in [q1, q2, r]
-    ):
+    if not all(isinstance(data, (float, int)) for data in [q1, q2, r]):
         return error.ErrorTipeData(["int", "float"])
     if r == 0:
         return error.ErrorDibagiNol()
     else:
-        F = konstanta.KONSTANTA_COULOMD * ((q1 * q2)/r**2)
+        F = konstanta.KONSTANTA_COULOMD * ((q1 * q2) / r**2)
         return F
 
 
 def Energi_Potensial_Listrik(
-        q1: Union[int, float],
-        q2: Union[int, float],
-        r: Union[int, float]
-    ) -> Union[int, float, error.ErrorDibagiNol, error.ErrorTipeData]:
+    q1: Union[int, float], q2: Union[int, float], r: Union[int, float]
+) -> Union[int, float, error.ErrorDibagiNol, error.ErrorTipeData]:
     """
     Fungsi untuk menghitung energi potensial listrik dari partikel
 
@@ -312,13 +306,10 @@ def Energi_Potensial_Listrik(
     return
         F(int atau float) : hasil kalkulasi
     """
-    if not all(
-        isinstance(data, (float, int))
-        for data in [q1, q2, r]
-    ):
+    if not all(isinstance(data, (float, int)) for data in [q1, q2, r]):
         return error.ErrorTipeData(["int", "float"])
     if r == 0:
         return error.ErrorDibagiNol()
     else:
-        F = konstanta.KONSTANTA_COULOMD * ((q1 * q2)/r)
+        F = konstanta.KONSTANTA_COULOMD * ((q1 * q2) / r)
         return F
diff --git a/testing/fisika_test.py b/testing/fisika_test.py
index 347ecaa..89a722f 100644
--- a/testing/fisika_test.py
+++ b/testing/fisika_test.py
@@ -130,19 +130,20 @@ def test_efek_doppler_nilai_negatif(self):
         with self.assertRaises(error.Error):
             raise hasil
 
+
 class test_gaya_coulombs(unittest.TestCase):
     def test_gaya_coulombs(self):
-        hasil = fisika.gaya_coulombs((4*pow(10, -2)), (2*pow(10, -3)), (0.6))
+        hasil = fisika.gaya_coulombs((4 * pow(10, -2)), (2 * pow(10, -3)), (0.6))
         self.assertEqual(hasil, 1997222.2222222225)
 
     def tets_gaya_coulombs_invalid_tipe_data(self):
-        hasil = fisika.gaya_coulombs((4*pow(10, -2)), "(2*pow(10, -3))", (0.6))
+        hasil = fisika.gaya_coulombs((4 * pow(10, -2)), "(2*pow(10, -3))", (0.6))
         self.assertIsInstance(hasil, error.ErrorTipeData)
         with self.assertIsInstance(error.ErrorTipeData):
             raise hasil
 
     def test_gaya_coulombs_di_bagi_nol(self):
-        hasil = fisika.gaya_coulombs((4*pow(10, -2)), (2*pow(10, -3)), 0)
+        hasil = fisika.gaya_coulombs((4 * pow(10, -2)), (2 * pow(10, -3)), 0)
         self.assertIsInstance(hasil, error.ErrorDibagiNol)
         with self.assertRaises(error.ErrorDibagiNol):
             raise hasil
@@ -150,17 +151,21 @@ def test_gaya_coulombs_di_bagi_nol(self):
 
 class test_Energi_potensial_Listrik(unittest.TestCase):
     def test_energi_potensial_listrik(self):
-        hasil = fisika.Energi_Potensial_Listrik((4*pow(10, -2)), (2*pow(10, -3)), (0.6))
+        hasil = fisika.Energi_Potensial_Listrik(
+            (4 * pow(10, -2)), (2 * pow(10, -3)), (0.6)
+        )
         self.assertEqual(hasil, 1198333.3333333335)
 
     def tets_energi_potensial_listrik_invalid_tipe_data(self):
-        hasil = fisika.Energi_Potensial_Listrik((4*pow(10, -2)), "(2*pow(10, -3))", (0.6))
+        hasil = fisika.Energi_Potensial_Listrik(
+            (4 * pow(10, -2)), "(2*pow(10, -3))", (0.6)
+        )
         self.assertIsInstance(hasil, error.ErrorTipeData)
         with self.assertIsInstance(error.ErrorTipeData):
             raise hasil
 
     def tets_energi_potensial_listrik_di_bagi_nol(self):
-        hasil = fisika.Energi_Potensial_Listrik((4*pow(10, -2)), (2*pow(10, -3)), 0)
+        hasil = fisika.Energi_Potensial_Listrik((4 * pow(10, -2)), (2 * pow(10, -3)), 0)
         self.assertIsInstance(hasil, error.ErrorDibagiNol)
         with self.assertRaises(error.ErrorDibagiNol):
             raise hasil

From 513b500d1c83a34dff2f0c4d5ac30ceeba079416 Mon Sep 17 00:00:00 2001
From: Arlan Tengga <arlantengga8@gmail.com>
Date: Tue, 6 Jan 2026 22:11:40 +0700
Subject: [PATCH 8/8] fix: memperbaiki test dan menambahkan file

---
 OpenSeries/util/constant.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/OpenSeries/util/constant.py b/OpenSeries/util/constant.py
index c04fc6e..cd604ca 100644
--- a/OpenSeries/util/constant.py
+++ b/OpenSeries/util/constant.py
@@ -12,6 +12,11 @@
 # elektron volt per detik (eV/s) nilainya adalah 4.1357 × 10⁻¹⁵ eV s⁻¹
 KONSTANTA_PLANCK: float = 4.1357 * pow(10, -15)
 
+# konstanta coulmb adalah konstanta berbanding lurus pada
+# persamaan yang menghubungkan variebel listrik
+# nilainya 8,9875×10^9 N·m2/C2
+KONSTANTA_COULOMD: float = 8.9875 * pow(10, 9)
+
 # default error dari warna menggunakan kode ANSI escape
 # merah
 red: str = Fore.RED