UPPERcase alphabet:
Example-
A,B,C,D,.........,X,Y,Z
All these alphabet is the upper case.
ASCII value for upper case alphabet:
A=65
B=66
C=67
.....
Y=89
Z=90
Lower-case alphabet:
Example-
a,b,c,d,...........,x,y,z
All these alphabet is of lower case.
ASCII value for lower case alphabet:
a=97
b=98
c=99
.....
y=121
Z=122
program:
#include < iostream>
using namespace std;
int main()
{
char s;
cout<<"Enter Character in upper case"<< endl;
cin>>s;
cout<<"It's lower case is: "<< char(s+32);
return 0;
}
Enter Character in upper case
R
It's lower case is: r