diff --git a/analysis-master/analysis-amd64/analysis/equation.ipynb b/analysis-master/analysis-amd64/analysis/equation.ipynb
index 58b5c57f..b5ebf646 100644
--- a/analysis-master/analysis-amd64/analysis/equation.ipynb
+++ b/analysis-master/analysis-amd64/analysis/equation.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 28,
+   "execution_count": 48,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -13,7 +13,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 29,
+   "execution_count": 49,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -25,7 +25,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 30,
+   "execution_count": 50,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -45,7 +45,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 31,
+   "execution_count": 51,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -57,17 +57,37 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 32,
+   "execution_count": 52,
    "metadata": {},
-   "outputs": [
-    {
-     "output_type": "stream",
-     "name": "stdout",
-     "text": "-30\n"
-    }
-   ],
+   "outputs": [],
    "source": [
-    "def eval(string):\n",
+    "def div(string):\n",
+    "    while(len(re.findall(\"[/]{1}[-]?\", string)) != 0):\n",
+    "        string = re.sub(\"[-]?\\d+[.]?\\d*[/]{1}[-]?\\d+[.]?\\d*\", str(reduce((lambda x, y: x / y), [Decimal(i) for i in re.split(\"[/]{1}\", re.search(\"[-]?\\d+[.]?\\d*[/]{1}[-]?\\d+[.]?\\d*\", string).group())])), string, 1)\n",
+    "    return string"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 62,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def exp(string):\n",
+    "    while(len(re.findall(\"[\\^]{1}[-]?\", string)) != 0):\n",
+    "        string = re.sub(\"[-]?\\d+[.]?\\d*[\\^]{1}[-]?\\d+[.]?\\d*\", str(reduce((lambda x, y: x ** y), [Decimal(i) for i in re.split(\"[\\^]{1}\", re.search(\"[-]?\\d+[.]?\\d*[\\^]{1}[-]?\\d+[.]?\\d*\", string).group())])), string, 1)\n",
+    "    return string"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 68,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def evaluate(string):\n",
+    "    string = exp(string)\n",
+    "    string = div(string)\n",
     "    string = mul(string)\n",
     "    string = sub(string)\n",
     "    string = add(string)\n",
@@ -76,29 +96,27 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 34,
+   "execution_count": 70,
    "metadata": {},
    "outputs": [
+    {
+     "output_type": "stream",
+     "name": "stdout",
+     "text": "-128+0.8\n"
+    },
     {
      "output_type": "execute_result",
      "data": {
-      "text/plain": "-22"
+      "text/plain": "'-127.2'"
      },
      "metadata": {},
-     "execution_count": 34
+     "execution_count": 70
     }
    ],
    "source": [
-    "string = \"2--3+4-5*6-1\"\n",
-    "eval(string)"
+    "string = \"8^2*4/-2+0.8\"\n",
+    "evaluate(string)"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {