Category: Computers/Technology

Barricade 2.1 in App Store

Barricade calculator app has been updated to version 2.1 in the App Store. It’s product page with app store link may be found in the following link; http://www.lancehenderson.com/barricade/ This version adds the ability to add shielding in addition to the collimator.  This can be added in inches rather than in the half-value layers.  The default…


Code 313

Code 313 Users Manual Code 313 is a calculator for interpreting industrial radiographs in accordance with ASME B31.3. Please read this description and watch the video below (Coming soon) before purchasing to decide if this is the app for you. The app caculates the most common discontinuities such as cracks, incomplete penetration, internal porosity, slag…


X-Ray Timer Version 2.0 in App Store – And it’s free!

The 2.0 revision of X-Ray Timer has been approved by Apple and is in the App Store. This revision added Se-75 as an Isotope selection. I used the values by the manufacturer for the radiation output and the published values for the shielding value of the steel. I don’t actually own any Selenium sources myself,…


Barricade Updated to Version 2.0

Apple just approved Version 2.0 of my Barricade iPhone App! It should show up in your updates in the App Store on the phone sometime within the next 24 Hours. I added the ability to change the number of Half-value layers and added Selenium 75 as an isotope selection. Be sure to watch the App…


iPhone Apps Working in iOS4

Apple renamed the iPhone Operating System to iOS4 for the fourth version. This is because it runs the iPhone, iPod, and iPad, not just the iPhone. I have access to the pre-release version as a developer and am running it on my phone now. Barricade and X-Ray Timer work the same as always so don’t…


X-Ray Timer App

NEW for iOS 10.  Now at Version 4.0. This is an application to replace the aggravating usage of slide rules to calculate radiography shot times.  It is applicable to Industrial Radiographers working with radioactive materials (not x-ray machines)….


Barricade App now on iPod Touch

When I first uploaded it to iTunes, I accidently put the setting as iPhone only. I corrected it and now you can install and use the barricade calculator app on your iPod touch now….


Barricade Calculator App

** Version 2.1 in App Store Now – Be Sure to Update** Added ability to to use additional shielding other than the collimator. This is a very handy utility for Industrial Radiographers. Ever get tired of using a clumsy slide rule to make radiation calculations?  Or, even worse, doing them by hand with a pencil and…


Print to PDF

This is an PDF article I wrote to help people understand how to print directly to a PDF file from their computer. It is to help understand the process to prevent people printing a document to paper, then scanning it. print_to_pdf