1. Beer-lambert for simple stuff.
2. Standard addition for harder stuff.
I can second Simon's sentiment. My phone doesn't do Excel
spreadsheets, my TI-30-something calculator does linear regressions
well enough. If I do the measurements by hand, the slowest part of the
process is actually doing the measurements, if I've got an
autosampler, the slowest step is entering the data.
Getting away (slightly) from what Simon was saying, it's rough
carrying a phone and a calculator, but for a good portion of linear
regressions I do, I don't need either. I was recently referred to as a
member of "the generation that can do math in their head". Personally,
an iPhone (Android?) app that does linear regressions for personal
benefit is a great idea, I disapprove of selling an iPhone app to help
others do linear regressions.
On Dec 1, 4:48 pm, Jeswin <phillyj...@gmail.com> wrote:
> On Thu, Dec 1, 2011 at 4:30 PM, Simon Quellen Field <sfi...@scitoys.com> wrote:> Ten minutes in Excel to do a simple linear interpolation?
> > Something sounds wrong.
> > Perhaps you could publish your spreadsheet and one of us could look
> > at what is taking so long.
>
> thats not what I'm talking about. When you're in a lab doing some
> concentrations with a spec., at least in a lab-class, you don't really
> have access to a computer/excel to put your data in and see if the
> standards are right or if you're getting wrong numbers for the sample.
> Now that everyone's got a smartphone, you just put in the appropriate
> numbers and you at least know if things are working out right. Then
> you can go home and make your pretty spreadsheets and graphs.
>
> Anyway, its all an exercise in app development for me.
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