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Blair, the best in that's its intuative, common, gets updated reguarly with cdm's and independently verified bc.
It was created by bryan litz, a rocket scientist and chief balistitian for berger...

Applied ballistics is by far the best of the lot.
It has the cdm's that work really well.
To be fair the only one I havnt seriously mucked around with is the hornady 4dof.
I have heard that works...

Yep that is correct.
That is what the drop scale factor part of the validation equation that I run in my kestrel.
Yep some interesting stuff they are finding with their mobile lab

Sent from my...

The cdm in the kestrel just says 1.000 in the app.
I used the cdm on my 16 inch 308.
I validated at 800m and had perfect elevation at 1050 and at 1264 was .1 out which could of been shooter era....

A kestrel 5700 is only $1295 and you know you need one!

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