Side of square=input=a
function b = area_square()
a = input('Enter the side of square:')
b = sprintf('Area of square is: %f',a*a)
What's wrong with it
function b = area_square(a)
b = a^2;
Pi Estimate 1
Given a 4x4 matrix, swap the two middle columns
Perfect Square or not
Test Problem; Create a 5x5 array containing all ones
Can I make a right triangle ?
How many digits are there?
Mean and standard deviation of times in string
Number of odd and even elements within matrix
Volume and area of a sphere
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