diff --git a/Demo.ipynb b/Demo.ipynb
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index 0000000..b0a959c
--- /dev/null
+++ b/Demo.ipynb
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+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import math"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Data form AC"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "mmo = 0.87\n",
+    "weight = 248.7\n",
+    "alt = 300\n",
+    "ci = 80"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Get reference data"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "290 300 310 0.5\n",
+      "240 248.7 250 0.8699999999999989\n"
+     ]
+    }
+   ],
+   "source": [
+    "alts = [250, 270, 290, 310, 330, 350, 370, 390, 410, 430]\n",
+    "weights = [140, 150, 160, 170, 180, 190, 200, 210, 220, 230, 240, 250, 260, 270, 280, 290]\n",
+    "\n",
+    "lowerAlt = [_alt for _alt in alts if _alt <= alt][-1]\n",
+    "upperAlt = [_alt for _alt in alts if _alt >= alt][0]\n",
+    "ratioAlt = (alt - lowerAlt) / 20.0\n",
+    "print(lowerAlt, alt, upperAlt, ratioAlt)\n",
+    "\n",
+    "lowerWeight = [_weight for _weight in weights if _weight <= weight][-1]\n",
+    "upperWeight = [_weight for _weight in weights if _weight >= weight][0]\n",
+    "ratioWeight = (weight - lowerWeight) / 10.0\n",
+    "print(lowerWeight, weight, upperWeight, ratioWeight)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Using Curves directly"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "matrix = {}\n",
+    "file = open(f\"curve_params_{mmo}.data\", 'r')\n",
+    "lines = file.readlines()\n",
+    "file.close()\n",
+    "\n",
+    "for i in range(0, len(lines)):\n",
+    "  line = lines[i].split(\";\")\n",
+    "  for j in range(0, len(weights)):\n",
+    "    try:\n",
+    "      matrix[alts[i]][weights[j]] = line[j].strip().split(\",\")\n",
+    "    except KeyError:\n",
+    "      matrix[alts[i]] = {}\n",
+    "      matrix[alts[i]][weights[j]] = line[j].strip().split(\",\")\n",
+    "    except IndexError:\n",
+    "      pass"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "0.821 0.821 0.823 0.824\n",
+      "0.821 0.824 0.823\n"
+     ]
+    }
+   ],
+   "source": [
+    "def func_root(a, b, c, CI):\n",
+    "  return float(a) * math.sqrt(CI) + float(b) * CI + float(c)\n",
+    "\n",
+    "lowerAltLowerWeightMach = round(func_root(*matrix[lowerAlt][lowerWeight], ci), 3)\n",
+    "lowerAltUpperWeightMach = round(func_root(*matrix[lowerAlt][upperWeight], ci), 3)\n",
+    "upperAltLowerWeightMach = round(func_root(*matrix[upperAlt][lowerWeight], ci), 3)\n",
+    "upperAltUpperWeightMach = round(func_root(*matrix[upperAlt][upperWeight], ci), 3)\n",
+    "print(lowerAltLowerWeightMach, lowerAltUpperWeightMach, upperAltLowerWeightMach, upperAltUpperWeightMach)\n",
+    "\n",
+    "ratioedLowerAltMach = round(lowerAltLowerWeightMach + (lowerAltUpperWeightMach - lowerAltLowerWeightMach) * ratioWeight, 3)\n",
+    "ratioedUpperAltMach = round(upperAltLowerWeightMach + (upperAltUpperWeightMach - upperAltLowerWeightMach) * ratioWeight, 3)\n",
+    "ratioedMach = round(ratioedLowerAltMach + (ratioedUpperAltMach - ratioedLowerAltMach) * ratioAlt, 3)\n",
+    "print(ratioedLowerAltMach, ratioedUpperAltMach, ratioedMach)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Using LUTs"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "lowerAltMatrix = {}\n",
+    "upperAltMatrix = {}\n",
+    "\n",
+    "file = open(f\"ci2mach_{lowerAlt}_{mmo}.data\")\n",
+    "lines = file.readlines()\n",
+    "\n",
+    "for i in range(0, len(lines)):\n",
+    "  line = lines[i].strip().split(\",\")\n",
+    "  lowerAltMatrix[weights[i]] = line\n",
+    "\n",
+    "file = open(f\"ci2mach_{upperAlt}_{mmo}.data\")\n",
+    "lines = file.readlines()\n",
+    "\n",
+    "for i in range(0, len(lines)):\n",
+    "  line = lines[i].strip().split(\",\")\n",
+    "  upperAltMatrix[weights[i]] = line"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "0.821 0.821 0.823 0.824\n",
+      "0.821 0.824 0.823\n"
+     ]
+    }
+   ],
+   "source": [
+    "lowerAltLowerWeightMach = float(lowerAltMatrix[lowerWeight][ci])\n",
+    "lowerAltUpperWeightMach = float(lowerAltMatrix[upperWeight][ci])\n",
+    "upperAltLowerWeightMach = float(upperAltMatrix[lowerWeight][ci])\n",
+    "upperAltUpperWeightMach = float(upperAltMatrix[upperWeight][ci])\n",
+    "print(lowerAltLowerWeightMach, lowerAltUpperWeightMach, upperAltLowerWeightMach, upperAltUpperWeightMach)\n",
+    "\n",
+    "ratioedLowerAltMach = round(lowerAltLowerWeightMach + (lowerAltUpperWeightMach - lowerAltLowerWeightMach) * ratioWeight, 3)\n",
+    "ratioedUpperAltMach = round(upperAltLowerWeightMach + (upperAltUpperWeightMach - upperAltLowerWeightMach) * ratioWeight, 3)\n",
+    "ratioedMach = round(ratioedLowerAltMach + (ratioedUpperAltMach - ratioedLowerAltMach) * ratioAlt, 3)\n",
+    "print(ratioedLowerAltMach, ratioedUpperAltMach, ratioedMach)"
+   ]
+  }
+ ],
+ "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": "3.11.9"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
diff --git a/Demo.pdf b/Demo.pdf
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index 0000000..6f28d63
Binary files /dev/null and b/Demo.pdf differ