FIND A DIAMETER, CIRCUMFERENCE AND AREA OF A CIRCLE

This the blank screen when you open the QB64

This the commands you should put in QB64 space. The commands are:

INPUT "GIVE RADIUS OF THE CRICLE IN CM"; R
D = 2 * R
C = 2 * (22 / 7) * R
A = (22 / 7) * R * R
PRINT " DIAMETER="; D; " CM"
PRINT " CIRCUMFERENCE="; C; " CM"
PRINT " AREA="; A; "SQR CM"

Click on start to run the program. the program is going on...

The program came.