1948 Invoice

https://drive.google.com/file/d/0Byv79l1-tINAV0tNSHlMSndKRzQ/edit?usp=sharing

A Manual of Instruction for the Non-Federal Arena

https://drive.google.com/file/d/0Byv79l1-tINAbDNuZzJhVXhVMGc/edit?usp=sharing

This Surveyor understands this math...and sees the value in teaching logic to our kids.

http://rare.us/story/common-core-math-continues-to-stump-nations-smartest/

Photo of a surveyor from a voting promotion

https://drive.google.com/file/d/0Byv79l1-tINAUWlNT1MybTdXU

TA/edit?usp=sharing

European boundaries

http://loiter.co/v/watch-as-1000years-of-european-boarders-change/

Bought a new math book.

http://books.google.com/books?vid=isbn9780393040029
Paid 8$ at a Kingman Bookstore.

How Purdue saved PI.

http://m.washingtonexaminer.com/when-big-government-tried-to-change-the-value-of-pi-to-3.2/article/2545682

Nature, Geometry and Phi

http://io9.com/5985588/15-uncanny-examples-of-the-golden-ratio-in-nature

Great link!

American Surveyor Magazine-Check out the website

See this link:


https://drive.google.com/file/d/0Byv79l1-tINAbXR0UzNDMTUxYjg/edit?usp=sharing

The American Surveyor Magazine- Thanks Marc Cheves!

http://www.amerisurv.com/content/view/12360/153/

The Sigma+ key sewer line grading

HP 35S LINE INTERSECTION ROUTINE

https://drive.google.com/file/d/0Byv79l1-tINAWk1rV21BYWdDSkk/edit?usp=sharing

HP 35S RECTANGULAR POLAR

https://drive.google.com/file/d/0Byv79l1-tINAbVBEZi1SM1docG8/edit?usp=sharing

HP 15C PARABOLIC CURVE FIT

https://drive.google.com/file/d/0Byv79l1-tINATEI3WlFqZEpOQ1U/edit?usp=sharing

HP 15C HORIZONTAL CURVE FIT

https://drive.google.com/file/d/0Byv79l1-tINAaWptMk9UTlVCRlE/edit?usp=sharing