Why it may be extra hard to quit. Smokers often swear their 20 best friends are in a pack of cigarettesâand for some, this is more true than for others. Research has shown that while around 20 percent of Americans still light up, about 50 percent of those with depression do. And the figure jumps to between 70 and 90 percent for schizophrenics and people with bipolar disorder.
Tesseract is an optical character recognition engine for various operating systems.[2] It is free software, released under the Apache License, Version 2.0,[1][3][4] and development has been sponsored by Google since 2006.[5] In 2006 Tesseract was considered one of the most accurate open-source OCR engines then available.[4][6]
A tessellation of the plane is an arrangement of polygons which cover the plane without gaps or overlapping. For example, part of a tessellation with rectangles is pictured below: A tessellation is called regular if all polygons in the tessellation are congruent regular polygons and if any two polygons in the tessellation either do not meet, share a vertex only, or share one edge.