Textbooks are out of favor and have been for years. Teachers spend their lives at copy machines creating materials for each day and have to maintain their own websites as well. Sound f'ed up..it is.
Leather properties, patterns...it's all math/science. At its core, math is about recognizing patterns. To operate at the level of expertise of many on this forum, one has to have a great eye and appreciation for subtleties and, in that sense, many of you are math geeks, whether you like or not...
I am chuckling because I teach high school math and if you think things are bad now, wait until you see what is coming down the road. Things like taking measurements or reading a map baffle many of my high schoolers. If they cannot plug it into a calculator/computer, they are lost. Math has...
...2 East/West for the ladies
https://www.ebay.com/itm/203822359630?hash=item2f74c2644e:g:K0AAAOSw0Pph~XyO
https://www.ebay.com/itm/203819548867?hash=item2f749780c3:g:gMsAAOSw-~Jh-yYa
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