sq_01_python_intro/jupyter_book/01_taschenrechner.ipynb

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    "# Taschenrechner\n",
    "Wir fangen ganz einfach an und schauen, wie sich Python als Taschenrechner macht:"
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    "## Aufgabe\n",
    "❓ Jetzt seid ihr dran! Denkt an den Mathe-Unterricht zurück und versucht\n",
    "* Minus\n",
    "* Division\n",
    "* Potenzieren\n",
    "* Quadratwurzel"
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   "source": [
    "## Lösung"
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    "5 - 2"
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       "2.5"
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    "5 / 2"
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   "source": [
    "Kommazahlen gibt's auch. Diese müssen, wie im Englischen üblich, mit Punkt statt mit Komma angegeben werden."
   ]
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   "source": [
    "2 ** 6"
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   "source": [
    "Potenzieren war schon tricky. Die ** kann man sich aber einfach merken wenn man daran denkt das Potenzieren mehrfaches Multiplizieren ist.\n",
    "\n",
    "Für die Quadratwurzel müssen wir aber noch ein bisschen über Python lernen."
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   "source": [
    "# Packages\n",
    "\n",
    "Der Kern der Programmiersprache Python kann relativ wenig. Die meiste Funktionalität liegt in Packages.\n",
    "\n",
    "So ein Package muss mittels `import` verfügbar gemacht werden bevor man dessen Funktionen nutzen kann."
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       "2.0"
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   "source": [
    "import math\n",
    "math.sqrt(4)"
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   "source": [
    "## Aufgabe\n",
    "❓ Das Package `math` enhält noch eine Reihe weiterer\n",
    "Funktionen, die aus dem Mathe-Unterricht bekannt sind. Welche sind das?"
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    "## Lösung\n",
    "Durch ausprobieren kann man `sin`, `cos` und `tan` finden.\n",
    "\n",
    "Das ist aber aufwändig. Einfacher geht's mit der Hilfe-Funktion."
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