04_Numerics.ipynb

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    "## Numerics\n",
    "\n",
    " * integer\n",
    " * float\n",
    " * complex"
   ]
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   "source": [
    "A decimal number:"
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    "hexadecimal"
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    "float"
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   "source": [
    "number in scientific notation"
   ]
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    "1.123e10"
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   "source": [
    "### Arithmetic operators"
   ]
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   "source": [
    "2 + 3 * 4"
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    "Integer coerced to float implicitly (automatically), if one of the operand is float."
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   "source": [
    "2.0 + 3 * 4"
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   "source": [
    "Same rule applies to division:"
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   "source": [
    "3 / 2"
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    "3 / 2.0"
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   "source": [
    "exponentiation, raises number X to a power Y"
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    "2 ** 4"
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    "modulus, returns the remainder of the devision"
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    "8 % 3"
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    "Also works for floats:"
   ]
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   "source": [
    "6.24 % 3.382"
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   "source": [
    "How to check odd or even number:"
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    "14 % 2"
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   "source": [
    "17 % 2"
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    "-17 % 2"
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   "source": [
    "Note that `0` is also an \"even\" number:"
   ]
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   "source": [
    "0 % 2"
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   "source": [
    "### Numeric types conversion\n",
    "\n",
    "Integers and floats are two different types:"
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       "int"
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    "type(1)"
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    "To coerce from float to integer we call the constructor:"
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    "int(2.9)"
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   "source": [
    "and vice versa, this creates a new float from an integer:"
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   "source": [
    "rounding"
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       "25.0"
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    "round(25.4)"
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       "26.0"
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    "round(25.6)"
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    "Round up:"
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       "3.0"
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     "execution_count": 6,
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   "source": [
    "from math import ceil\n",
    "\n",
    "ceil(2.25)"
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   "source": [
    "Round down:"
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       "2.0"
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    "from math import floor\n",
    "\n",
    "floor(2.75)"
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   "source": [
    "### Comparison operators\n",
    "\n",
    "Are these numbers equal?"
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    "Greater then:"
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