The output has 3 rows.

There is no output because the command window is cleared in line 1.

The output has 3 columns.

There is no output in the command window because the outputs are suppressed by the semi-colon.

distance

force 

log force

meters

In the function file, the output variable is in brackets, and area_r is not in brackets. 

The area_r command will run properly since A is a matrix.

area_r is a function and requires input arguments to run properly. 

Using "area_r" in the command window is fine, as long as the file is saved.

=A4^(B3+A2)

=(A4^B3+A2)

=A4^B3+A2

=A4^(A3+A2)

=AVERAGE(H2:H10)

=AVERAGE(H2,H10)

=AVG(H2:H10)

=AVG(H2,H10)

=A2+A4^2

=A3+A4^2

=2A+4A^2

=B3+A4^2

=A5+E5

=A3+B3

=A5+B5

=D5+E5

=7*SQRT(34)/PI()

=7SQRT(34)/PI

=7*SQRT(34)/PI

=7SQRT(34)/PI()

bar chart

log-log plot

scatter plot

line plot