International Surveyors Week 2018

A week long celebration of Land Surveyors, Worldwide

Africa Asia North America Europe South America Middle East Oceania +Add a Story

Survey Earth in a Day 7

Remeasuring the entire planet in a single day as a community of Land Surveyors

Visit Post

How to use the new Surveying Jobs Board

Find and Post Available Surveying Jobs

Learn about Jobs Board

Land Surveyor Submitted Photos

See through the eyes of other surveyors, worldwide.

Featured Photos

Surveying Videos

Learn Something New Everyday

Surveying Tutorials

If you are a land surveyor who would like to contribute to the community's collective knowledge, here is where you get started.

Sign me up!

Hi guys,

I am new to the hp50g. I have a uni tutorial asking me to solve the following, and I have no idea how to add the "sec" part into the equation.

It is for solving the secant length of a circular curve setout.

Photo below. any help would be much appreciated. This calculator is driving me crazy!

secant%20length.tiff

Any ideas?

This Content Originally Published by a land surveyor to Land Surveyors United Network

Views: 818

See Your Saved Posts Timeline

☇ Reply to this

Replies to This Discussion

Paul,

Secant is the Reciprocal of Cosine:

Dave

60' equals 1 degree

12'               x?

x=0.2 degrees , so the equation becomes 600*(sec9.2/2 -1)=600*(sec4.6-1)=600*(1.0032315-1)=1.938m, where sec=1/cos4.6=1.0032315....

RSS

Where Thousands of Professional Land Surveyors, Students of Surveying and Educators are United through Collaborative Knowledge and Purpose.

Tools,Apps and Quick Guides

Surveyor Community Hubs For World Regions

Surveying Hubs For US States

Social Support For Equipment

Surveying Photos by Tag

Surveying Videos by Tag

+LandSurveyorsUnitedon Google+

Survey Earth in a Day 7

Surveyor Birthdays

© 2018   © Created by Land Surveyors United   Powered by

Badges  |  Contact LSU  |  Privacy Policy  |  Terms of Service