diff --git a/calculo-salario-liquido-brasil/calculo-contracheque.ipynb b/calculo-salario-liquido-brasil/calculo-contracheque.ipynb
new file mode 100644
index 0000000..ec58cb1
--- /dev/null
+++ b/calculo-salario-liquido-brasil/calculo-contracheque.ipynb
@@ -0,0 +1,175 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "#### Cálculo de Contra-Cheque Padrão:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Criação da Classe para gerar os Objetos Salario Liquido:\n",
+    "class Salario:  \n",
+    "    def __init__(self,remuneracao,he,insa):\n",
+    "        self.remuneracao = remuneracao\n",
+    "        self.he = he\n",
+    "        self.insa = insa\n",
+    "        \n",
+    "    def descinss(self):\n",
+    "        if self.remuneracao <= 1412:\n",
+    "            return self.remuneracao * 0.075\n",
+    "        elif self.remuneracao <= 2666.68:\n",
+    "            return (self.remuneracao * 0.09) - 21.18\n",
+    "        elif self.remuneracao <= 4000.03:\n",
+    "            return (self.remuneracao * 0.12) - 101.18\n",
+    "        elif self.remuneracao > 7786.02:\n",
+    "            return (self.remuneracao * 0.14) - 181.18\n",
+    "    \n",
+    "    def descir(self):\n",
+    "        if self.remuneracao <= 2259.20:\n",
+    "            return 0\n",
+    "        elif self.remuneracao <= 2826.65:\n",
+    "            return (self.remuneracao * 0.075) - 169.44\n",
+    "        elif self.remuneracao <= 3751.05:\n",
+    "            return (self.remuneracao * 0.15) - 381.44\n",
+    "        elif self.remuneracao <= 4664.68:\n",
+    "            return (self.remuneracao * 0.225) - 662.77\n",
+    "        elif self.remuneracao > 4664.68:\n",
+    "            return (self.remuneracao * 0.275) - 896\n",
+    "\n",
+    "    def hextra(self):\n",
+    "        return ((self.remuneracao / 220) * 1.5) * self.he\n",
+    "    \n",
+    "    def insalub(self):\n",
+    "        if self.insa == True:\n",
+    "            return self.remuneracao * 0.15\n",
+    "        else:\n",
+    "            return 0\n",
+    "\n",
+    "    def liquido(self):\n",
+    "        return self.remuneracao + self.hextra() + self.insalub() - self.descinss() - self.descir()\n",
+    "    \n",
+    "    def contracheque(self):\n",
+    "        print(f\"Salario Bruto: R${self.remuneracao:.2f}\")\n",
+    "        print(f\"(+) Horas Extras: R${self.hextra():.2f}\")\n",
+    "        print(f\"(+) Insalubridade: R${self.insalub():.2f}\")\n",
+    "        print(f\"(-) INSS: R${self.descinss():.2f}\")\n",
+    "        print(f\"(-) IRPF: R${self.descir():.2f}\")      \n",
+    "        \n",
+    "        print(f\"(=) Salario Liquido: R${self.liquido():.2f}\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "x = Salario(1412,0,False)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1412\n",
+      "0\n",
+      "False\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(x.remuneracao)\n",
+    "print(x.he)\n",
+    "print(x.insa)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Salario Bruto: R$1412.00\n",
+      "(-) INSS: R$105.90\n",
+      "(-) IRPF: R$0.00\n",
+      "(+) Horas Extras: R$0.00\n",
+      "(+) Insalubridade: R$0.00\n",
+      "(=) Salario Liquido: R$1306.10\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(f\"Salario Bruto: R${x.remuneracao:.2f}\")\n",
+    "print(f\"(-) INSS: R${x.descinss():.2f}\")\n",
+    "print(f\"(-) IRPF: R${x.descir():.2f}\")\n",
+    "print(f\"(+) Horas Extras: R${x.hextra():.2f}\")\n",
+    "print(f\"(+) Insalubridade: R${x.insalub():.2f}\")\n",
+    "print(f\"(=) Salario Liquido: R${x.liquido():.2f}\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Salario Bruto: R$1412.00\n",
+      "(+) Horas Extras: R$0.00\n",
+      "(+) Insalubridade: R$0.00\n",
+      "(-) INSS: R$105.90\n",
+      "(-) IRPF: R$0.00\n",
+      "(=) Salario Liquido: R$1306.10\n"
+     ]
+    }
+   ],
+   "source": [
+    "x.contracheque()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Criação da Interface:"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.11.8"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
diff --git a/calculo-salario-liquido-brasil/contra-cheque.py b/calculo-salario-liquido-brasil/contra-cheque.py
new file mode 100644
index 0000000..43b8b98
--- /dev/null
+++ b/calculo-salario-liquido-brasil/contra-cheque.py
@@ -0,0 +1,59 @@
+# Criação da Classe para gerar os Objetos Salario Liquido:
+class Salario:  
+    def __init__(self,remuneracao,he,insa):
+        self.remuneracao = remuneracao
+        self.he = he
+        self.insa = insa
+        
+    def hextra(self):
+        return ((self.remuneracao / 220) * 1.5) * self.he
+
+    def insalub(self):
+        if self.insa == True:
+            return self.remuneracao * 0.15
+        else:
+            return 0
+        
+    def descinss(self):
+        self.saltot = self.remuneracao + self.hextra() + self.insalub()
+        if self.saltot <= 1412:
+            return self.saltot * 0.075
+        elif self.saltot <= 2666.68:
+            return (self.saltot * 0.09) - 21.18
+        elif self.saltot <= 4000.03:
+            return (self.saltot * 0.12) - 101.18
+        elif self.saltot > 7786.02:
+            return (self.saltot * 0.14) - 181.18
+    
+    def descir(self):
+        self.saltot = self.remuneracao + self.hextra() + self.insalub()
+        if self.saltot <= 2259.20:
+            return 0
+        elif self.saltot <= 2826.65:
+            return (self.saltot * 0.075) - 169.44
+        elif self.saltot <= 3751.05:
+            return (self.saltot * 0.15) - 381.44
+        elif self.remuneracao <= 4664.68:
+            return (self.saltot * 0.225) - 662.77
+        elif self.saltot > 4664.68:
+            return (self.saltot * 0.275) - 896
+          
+    def liquido(self):
+        return self.remuneracao + self.hextra() + self.insalub() - self.descinss() - self.descir()
+    
+    def contracheque(self):
+        return f"Salario Bruto: R${self.remuneracao:.2f}\n(+) Horas Extras: R${self.hextra():.2f}\n(+) Insalubridade: R${self.insalub():.2f}\n(-) INSS: R${self.descinss():.2f}\n(-) IRPF: R${self.descir():.2f}\n\n(=) Salario Liquido: R${self.liquido():.2f}"
+
+salario = float(input("Insira o valor do Salario: "))
+hextra = int(input("Insira a quantidade de Horas Extras: "))
+ins = input("Tem Insalubridade? Insira Sim ou Nao: ")
+insalubridade = False
+if ins == "Sim" or ins == "sim":
+    insalubridade = True
+
+nome = input("Insira o Nome do Colaborador: ")
+
+contcheque = Salario(salario,hextra,insalubridade)
+
+with open(f"Contra-Cheque {nome}.txt","w") as f:
+    f.write(contcheque.contracheque())
\ No newline at end of file