# Last edited on 2022-08-10 17:59:14 by stolfi

Envelux envelopes for back-of-the-envelope computations. 

Drawn with fine blue and black pens, probably Pilot Precise V5 or Uni-ball, on printer paper.
Imaged with the Kodak Playsport Zx5 camera. 

101_0563.JPG Pack of 144 "Envelux" envelopes for back-of-envelope computations. Undated and unsigned. As imaged.
Envelux.png Pack of 144 "Envelux" Envelux envelopes for back-of-the-envelope calculations. Undated and unsigned. Cleaned with gimp and reduced to 512x288.