>> % Question 1
>> a = 7/3; b = 9/6; c = a*b
c =
3.5000
>> % Question 2
>> myage = 18
myage =
18
>> myage = myage - 2
myage =
16
>> myage = myage + 1
myage =
17
>> % Variables update in their respective window
>> % Question 3
>> x = 10
x =
10
>> x = x + 1
x =
11
>> x = 2*x
x =
22
>> % Question 4
>> r = 6; A = pi*r^2
A =
113.0973
>> r = r + 2; A = pi * r^2
A =
201.0619
>> r = 1.3*10^(-12); A = pi*r^2
A =
5.3093e-24
>> r = (1.3*10^(-12)); A = pi*r^2
A =
5.3093e-24
>> % A does not need updating