Sentence examples for of the envelope from inspiring English sources

My mother tore off one side of the envelope.

This is pushing the edge of the envelope".

"Europe has warned the government that their back of the envelope calculations do not stack up.

Evelyn dropped in, saw the letter & wrote a line on the back of the envelope.

Back of the envelope appraisals don't wash either.

Describe the process of microevolution of the envelope protein.

Let's try back-of-the-envelope calculations.

That back-of-the-envelope figure isn't disastrous.

"It's back-of-the-envelope stuff with lots of assumptions".

A lot of this is back-of-the-envelope stuff".

The back-of-the-envelope calculations below provide some guidance.