Calc not showing 0 as default value

[Kamlesh72]

When we first time open calc or when press C (clear), it should show "0" on screen.

[Kamlesh72]

#75

[Kamlesh72]

Please also add Hacktoberfest label @DhanushNehru

[Staticalpig]

I'm sorry if I'm going out of line here,
but am I right that this issue is not actively being worked on?
And if I'm right, would it be okay for me to take a shot at it?