diff --git a/src/App.js b/src/App.js
index f577b76..622a81e 100644
--- a/src/App.js
+++ b/src/App.js
@@ -4,7 +4,6 @@ import Calculator from "./Components/Calculator";
 function App() {
   return (
     <div className="App">
-      I changed something else!
       <Calculator />
     </div>
   );
diff --git a/src/Components/Calculator.js b/src/Components/Calculator.js
index c2d61f4..2728db6 100644
--- a/src/Components/Calculator.js
+++ b/src/Components/Calculator.js
@@ -2,118 +2,158 @@ import { useState } from "react";
 import KeyPad from "./KeyPad";
 
 export default function Calculator(props) {
-    const [main, setMain] = useState("0")
-    const [memory, setMemory] = useState("")
-    const [operation, setOperation] = useState("")
-    const [on, setOn] = useState(true)
+  const [main, setMain] = useState("0");
+  const [memory, setMemory] = useState("");
+  const [operation, setOperation] = useState("");
+  const [on, setOn] = useState(true);
 
-    const map = {
-        conc: (numberString) => {
-            if(main.length<=9){
-                if (main[0] === "0") {
-                    setMain(prev => prev.slice(1) + numberString)
-                } else {
-                    setMain(prev => prev + numberString)
-                }
-            }
-        },
-
-        zero: function () { this.conc("0") },
-        one: function () { this.conc("1") },
-        two: function () { this.conc("2") },
-        three: function () { this.conc("3") },
-        four: function () { this.conc("4") },
-        five: function () { this.conc("5") },
-        six: function () { this.conc("6") },
-        seven: function () { this.conc("7") },
-        eight: function () { this.conc("8") },
-        nine: function () { this.conc("9") },
-        decimal: function () {
-            if (!/\./g.test(main)) {
-                this.conc(".")
-            }
-        },
-
-        add: function () { this.rcvOperator("add") },
-        subtract: function () { this.rcvOperator("subtract") },
-        multiply: function () { this.rcvOperator("multiply") },
-        divide: function () { this.rcvOperator("divide") },
-
-        rcvOperator: function (operator) {
-            if (main === "-") {
-                setMain("")
-            } else if (main !== "") {
-                if (memory === "") {
-                    setMemory(main)
-                } else {
-                    setMemory(prev => { return this.calculate(main, prev) })
-                }
-                setMain("")
-            }
-            if (main === "" && operator === "subtract") {
-                setMain(prev => {
-                    if (prev[0] !== "-") {
-                        return "-" + prev
-                    }
-                })
-            } else {
-                setOperation(operator)
-            }
-
-
-        },
-
-        operations: {
-            add: (a, b) => { return a + b },
-            subtract: (a, b) => { return b - a },
-            multiply: (a, b) => { return a * b },
-            divide: (a, b) => { return b / a },
-        },
-
-        clear: () => {
-            setMain("0")
-            setMemory("")
-            setOperation("")
-        },
-        equals: function () {
-            if (operation !== "" && main !== "") {
-                setMain(prev => {
-                    return this.calculate(prev, memory)
-                })
-                setMemory("")
-                setOperation("")
-            }
-
-        },
-        on:()=>setOn(true),
-        off:()=>{
-            setOn(false)
-            setMain("0")
-            setMemory("")
-            setOperation("")
-        },
-        calculate: function (a, b) {
-            const string = this.operations[operation](parseFloat(a), parseFloat(b)).toString()
-            return string.length<=9?string:string.slice(0,10)
+  const map = {
+    conc: (numberString) => {
+      if (main.length <= 9) {
+        if (main[0] === "0") {
+          setMain((prev) => prev.slice(1) + numberString);
+        } else {
+          setMain((prev) => prev + numberString);
         }
-    }
+      }
+    },
 
-    function handleInput(content) {
-        map[content]()
-    }
+    zero: function () {
+      this.conc("0");
+    },
+    one: function () {
+      this.conc("1");
+    },
+    two: function () {
+      this.conc("2");
+    },
+    three: function () {
+      this.conc("3");
+    },
+    four: function () {
+      this.conc("4");
+    },
+    five: function () {
+      this.conc("5");
+    },
+    six: function () {
+      this.conc("6");
+    },
+    seven: function () {
+      this.conc("7");
+    },
+    eight: function () {
+      this.conc("8");
+    },
+    nine: function () {
+      this.conc("9");
+    },
+    decimal: function () {
+      if (!/\./g.test(main)) {
+        this.conc(".");
+      }
+    },
 
+    add: function () {
+      this.rcvOperator("add");
+    },
+    subtract: function () {
+      this.rcvOperator("subtract");
+    },
+    multiply: function () {
+      this.rcvOperator("multiply");
+    },
+    divide: function () {
+      this.rcvOperator("divide");
+    },
 
-    return (
-        <div id="calculator">
-            <div id="calculator-content">
-                <header><h1>CALCULATOR</h1></header>
-                <div id="display-container" className={on?"on":"off"}>
-                    <p id="memory">{memory}</p>
-                    <p id="display">{main}</p>
-                    <p id="operator">{operation}</p>
-                </div>
-                <KeyPad handleInput={handleInput} />
-            </div>
+    rcvOperator: function (operator) {
+      if (main === "-") {
+        setMain("");
+      } else if (main !== "") {
+        if (memory === "") {
+          setMemory(main);
+        } else {
+          setMemory((prev) => {
+            return this.calculate(main, prev);
+          });
+        }
+        setMain("");
+      }
+      if (main === "" && operator === "subtract") {
+        setMain((prev) => {
+          if (prev[0] !== "-") {
+            return "-" + prev;
+          }
+        });
+      } else {
+        setOperation(operator);
+      }
+    },
+
+    operations: {
+      add: (a, b) => {
+        return a + b;
+      },
+      subtract: (a, b) => {
+        return b - a;
+      },
+      multiply: (a, b) => {
+        return a * b;
+      },
+      divide: (a, b) => {
+        return b / a;
+      },
+    },
+
+    clear: () => {
+      setMain("0");
+      setMemory("");
+      setOperation("");
+    },
+    equals: function () {
+      if (operation !== "" && main !== "") {
+        setMain((prev) => {
+          return this.calculate(prev, memory);
+        });
+        setMemory("");
+        setOperation("");
+      }
+    },
+    on: () => setOn(true),
+    off: () => {
+      setOn(false);
+      setMain("0");
+      setMemory("");
+      setOperation("");
+    },
+    calculate: function (a, b) {
+      const string = this.operations[operation](
+        parseFloat(a),
+        parseFloat(b),
+      ).toString();
+      return string.length <= 9 ? string : string.slice(0, 10);
+    },
+  };
+
+  function handleInput(content) {
+    map[content]();
+  }
+
+  return (
+    <div id="calculator">
+      <div id="calculator-content">
+        <header>
+          <h1>CALCULATOR - CI/CD EDITION</h1>
+        </header>
+        <div id="display-container" className={on ? "on" : "off"}>
+          <p id="memory">{memory}</p>
+          <p id="display">{main}</p>
+          <p id="operator">{operation}</p>
         </div>
-    )
-}
\ No newline at end of file
+        <KeyPad handleInput={handleInput} />
+      </div>
+    </div>
+  );
+}
+