Today’s Erlang #2¶
float.
1> 7/4.
1.75
2> 4/7.
0.5714285714285714
3> 7 div 4.
1
4> 7 rem 4.
3
5> 8 div 4.
2
6> Pi = 3.14159.
3.14159
7> R = 9.
9
8> Pi * R * R.
254.46879
11> 8 div 4.0.
** exception error: bad argument in an arithmetic expression
in operator div/2
called as 8 div 4.0
12> 8 div 4.
2
13> 8.0 div 4.
** exception error: bad argument in an arithmetic expression
in operator div/2
called as 8.0 div 4