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Bullet drop/scientific calculator

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  #1  
Unread 07-18-2002, 04:21 PM
 
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Bullet drop/scientific calculator

Has anyone tried to use a good calculator for storing the formulas to get the correct MOA at a given distance. It seems like pretty basic math just with a lot of steps and a couple of variables.The most importand variable being distance. I think with the formula stored the rest should be easy. But I really don't know that much about calculators.
I do know they will do graphs and statistics.
Thanks,
frankg
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  •   #2  
    Unread 07-19-2002, 08:59 AM
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    Join Date: May 2002
    Location: Oregon
    Posts: 63
    Re: Bullet drop/scientific calculator

    I was thinking of doing exactly that with my scientific calculator. I found several places online that tell me how to program it but i don't have all the formulas for the program. I was thinking of doing it rather specific ie. pre-program velocity and bullet weight so it would be setup for one bullet out of my gun. Then i could just plug in the current conditions and the range i want to shoot and it could spit out the required info.

    It would be rather simple and I could carry around my calculator much easier then a laptop.
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      #3  
    Unread 07-19-2002, 04:10 PM
     
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    Re: Bullet drop/scientific calculator

    I think I have it. All we need is a calculator with brackets. I think the formula looks like this....
    bullet drop/(distance in yards x 1.047)
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      #4  
    Unread 07-24-2002, 12:44 AM
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    Join Date: Mar 2002
    Location: Central Minnesota
    Posts: 429
    Re: Bullet drop/scientific calculator

    I have a TI-89 that will do almost anything but where did you find these programs for velocity, energy, and trajectory? I could download it then I do any cartridge I wanted.
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      #5  
    Unread 07-24-2002, 08:59 AM
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    Join Date: May 2002
    Location: Oregon
    Posts: 63
    Re: Bullet drop/scientific calculator

    There isn’t a program for the ti-series as far as I know. I was going to write one for my ti-86 as soon as I had the complete ballistic formulas (I am still researching what is required). I don’t think it would be much of a problem to write a program from scratch that would do everything a guy would want.
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      #6  
    Unread 07-24-2002, 09:11 AM
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    Join Date: Jan 2002
    Location: Wenatchee, WA
    Posts: 806
    Re: Bullet drop/scientific calculator

    As far as the formulas, did you look at the back section of the Sierra reloading manual?

    Monte
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      #7  
    Unread 07-25-2002, 08:17 AM
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    Join Date: May 2002
    Location: Oregon
    Posts: 63
    Re: Bullet drop/scientific calculator

    no i haven't checked that out yet..... might be simpler then going to the library... [img]images/icons/rolleyes.gif[/img]
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