01-Advanced Numbers-checkpoint.ipynb

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   "source": [
    "# Advanced Numbers\n",
    "In this lecture we will learn about a few more representations of numbers in Python."
   ]
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   "source": [
    "## Hexadecimal\n",
    "\n",
    "Using the function <code>hex()</code> you can convert numbers into a [hexadecimal](https://en.wikipedia.org/wiki/Hexadecimal) format:"
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     "data": {
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       "'0xf6'"
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   "source": [
    "hex(246)"
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     "data": {
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    "hex(512)"
   ]
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   "source": [
    "## Binary \n",
    "Using the function <code>bin()</code> you can convert numbers into their [binary](https://en.wikipedia.org/wiki/Binary_number) format."
   ]
  },
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    {
     "data": {
      "text/plain": [
       "'0b10011010010'"
      ]
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   "source": [
    "bin(1234)"
   ]
  },
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       "'0b10000000'"
      ]
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     "execution_count": 4,
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   "source": [
    "bin(128)"
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       "'0b1000000000'"
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    "bin(512)"
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   "source": [
    "## Exponentials\n",
    "The function <code>pow()</code> takes two arguments, equivalent to ```x^y```.  With three arguments it is equivalent to ```(x^y)%z```, but may be more efficient for long integers."
   ]
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  {
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     "data": {
      "text/plain": [
       "81"
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     "execution_count": 6,
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   "source": [
    "pow(3,4)"
   ]
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     "data": {
      "text/plain": [
       "1"
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     "execution_count": 7,
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   "source": [
    "pow(3,4,5)"
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   "source": [
    "## Absolute Value\n",
    "The function <code>abs()</code> returns the absolute value of a number. The argument may be an integer or a floating point number. If the argument is a complex number, its magnitude is returned.\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3.14"
      ]
     },
     "execution_count": 8,
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   ],
   "source": [
    "abs(-3.14)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
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   "outputs": [
    {
     "data": {
      "text/plain": [
       "3"
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    "abs(3)"
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   "source": [
    "## Round\n",
    "The function <code>round()</code> will round a number to a given precision in decimal digits (default 0 digits). It does not convert integers to floats."
   ]
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   "execution_count": 10,
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       "3"
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   "source": [
    "round(3,2)"
   ]
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       "400"
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     "execution_count": 11,
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   "source": [
    "round(395,-2)"
   ]
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   "execution_count": 12,
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    {
     "data": {
      "text/plain": [
       "3.14"
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     "execution_count": 12,
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   ],
   "source": [
    "round(3.1415926535,2)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Python has a built-in math library that is also useful to play around with in case you are ever in need of some mathematical operations. Explore the documentation [here](https://docs.python.org/3/library/math.html)!"
   ]
  }
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