Finding square root of x by circle

[@schizoframia4874]

Very counterintuitive. Your mind will will more naturally jump to squares.

[@Schlohmotion]

I'll put this trick into my notebook. If I ever end up in a place without electricity, this trick is super helpful.

[@J_psi0]

Hi, how are you?

[@FlameX12585]

Uhh...... what??

[@omaryahia]

nice