Look up the docs for printf and play with different values for the 20.18 I've used:
printf "%20.18f\n", 2.19502183680891e-06;;
0.000002195021836809
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.