uCalc Interactive Shell (simulated session)
Type &#039;exit&#039; or &#039;quit&#039; to end.

&gt; 10 * (5 + 3)
80

&gt; UCase(&#039;hello world&#039;)
HELLO WORLD

&gt; 1 / 0
inf

&gt; 1 +
Syntax error

&gt; exit
Exiting.