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- since 1996 -
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Technical Discussions
David Bunch
David Bunch
13:15 Sep-03-2010
Shot time calculator for Graphing Calculators

A coworker of mine told me of a radiography shot time program than can be used on graphing calculators (such as the Texas Instruments TI-83). You punch in the source to film distance, the curies you are using, etc, and it will calculate the shot time.

Does anyone know where I can find this program?

 
 Reply 
 
LK
NDT Inspector,
Norway, Joined May 2008, 104

LK

NDT Inspector,
Norway,
Joined May 2008
104
14:57 Sep-03-2010
Re: Shot time calculator for Graphing Calculators
In Reply to David Bunch at 13:15 Sep-03-2010 (Opening).

I have one program, works for both X and gamma, with refrences to EN1435 (eg minimal SFD required, film class to be used etc) but ... it's in german. Let me know if interested.

 
 Reply 
 
David Bunch
David Bunch
20:43 Sep-05-2010
Re: Shot time calculator for Graphing Calculators
In Reply to LK at 14:57 Sep-03-2010 .

Thanks for the offer. But unfortunately I don't know German.

 
 Reply 
 
Michel Couture
NDT Inspector,
consultant, Canada, Joined Sep 2006, 856

Michel Couture

NDT Inspector,
consultant,
Canada,
Joined Sep 2006
856
14:53 Sep-06-2010
Re: Shot time calculator for Graphing Calculators
In Reply to David Bunch at 20:43 Sep-05-2010 .

David,

I don't know about a calculator or computer software, but there is a slide ruler (those things we used before calcualtor LOL) for that purpose. It will calculate exposure for Ir192 and Co60. It should be available from your supplier.

 
 Reply 
 
David Bunch
David Bunch
18:34 Sep-06-2010
Re: Shot time calculator for Graphing Calculators
In Reply to Michel Couture at 14:53 Sep-06-2010 .

Yeah, we have some of those. I think they are around $100 though.

A couple of our radiographers went through source retrieval class in Louisiana, and one of the other students there had a radiographic shot calculator on his TI-83 calculator. Maybe its on the net some place.

 
 Reply 
 
LK
NDT Inspector,
Norway, Joined May 2008, 104

LK

NDT Inspector,
Norway,
Joined May 2008
104
21:19 Sep-06-2010
Re: Shot time calculator for Graphing Calculators
In Reply to Michel Couture at 14:53 Sep-06-2010 .

I'm still using the ruler, and I think it's really convenient. However I know guys from other lab, they make all calculations using this computer programm only.

 
 Reply 
 
Ian
Ian
18:44 Jun-26-2011
Re: Shot time calculator for Graphing Calculators
In Reply to David Bunch at 13:15 Sep-03-2010 (Opening).

I have it, post me if your interested

 
 Reply 
 
sbanner
NDT Inspector,
Canada, Joined Jan 2009, 31

sbanner

NDT Inspector,
Canada,
Joined Jan 2009
31
18:39 Jun-27-2011
Re: Shot time calculator for Graphing Calculators
In Reply to Ian at 18:44 Jun-26-2011 .

David:
there is a free and a paid RT calculator at http://www.ok-s.com/
also there is a iphone app called X-Ray timer avaliable.
Stan

 
 Reply 
 
NICK
NICK
14:14 Nov-11-2011
Re: Shot time calculator for Graphing Calculators
In Reply to David Bunch at 13:15 Sep-03-2010 (Opening).

Free Online TI-84 [url="http://graphingvariousfunctions.wordpress.com/2011/10/31/graphing-calculator-and-graphing-functions/"]Graphing Calculator for free[/url]?
I need one that is either...
--free and downloadable from a trustworthy source. (virus prevention purposes.)
or...
--free and non-downloadable and just available on a trusted website.

I need to be able to find the equation for the Line of Best Fit for a set of data, if that helps. Also, the equation for the L.o.B.F. is y=mx+b , correct?

Thanks-a-Bunch:)

 
 Reply 
 

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