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Robert James Liguori
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New Rotorcraft User Group on Facebook
I just created a new Rotorcraft User Group on Facebook.  It is designed for general discussions on anything/everything rotorcraft related.  It is not in place to compete with existing helicopter forums, but to compliment them.  Here are a few other rotorcra...

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Can 196 evolve into a palindrone?
Example 1 Start PalindromeFinder for 23... Stage: 23 + 32 = 55 A palindrome was found! Example 2 Start PalindromeFinder for 254... Stage: 254 + 452 = 706 Stage: 607 + 706 = 1313 Stage: 3131 + 1313 = 4444 A palindrome was found! Example 3 Start PalindromeFin...

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Mathematical Constants
Need a mathematical constant?  Here they are in Java as BigDecimals provided by GitHub's MathConstant project . And here is a quicklook of the code: package com.gliesian.constants; import java.math.BigDecimal; public class MathConstant {     private MathCon...

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Mysterious Recurring Decimals
I found this video entertaining, so I coded it up... Notice the pattern (. 000 001 002 003) from 1/998001.0: 0. 000001002 003004005006007008009010011012013014015016017018019020021022023024025026027028029030031032033034035036037038039040041042043044045046047...

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Successful Emergency Helicopter Operations
Here are a few successful emergency helicopter operations... Power Failure at a Hover   Power Failure at Altitude Low RPM Recovery  Settling with Power  Tail Rotor Failure Dynamic Rollover

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How to get your recreation helicopter pilot license
Here are seven things to do to get your recreational helicopter pilot license. Buy a few things Get your student pilot certificate Get medically evaluated Find a flight instructor / flight school and target rotorcraft Pass the helicopter knowledge exam Pass...

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Introducing JWindRose
JWindRose is a  Java utility class that determines compass rose points for 4, 8, 16 and 32 point windroses. Traveling from Ocean City, NJ to New Orleans, LA
True Bearing/Heading: 238 degrees
4-point compass point: West
8-point compass point: Southwest
1...

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1st Woman on the Moon
Driving home today from work, I can to thinking as to why there hasn't been a woman on the moon yet. The key word is yet .  There will be one day... and I thought I'd try to give her, whomever she may be, a little encouragement with all the funds from a GoF...

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Introduction to Data Science in Python
The University of Michigan offers a class on data science and python;  Introduction to Data Science in Python .  I'm in week two and I love this class.  Week two is on dataframes and Pandas.  The class recommends the following books as supplemental resource...
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