I usually use Matlab because it's still downloaded on my computer and it's easy to use for most things I need to calculate.
That seems like a sledgehammer-to-crack-a-nut to me, but I think if there's a lesson in here it's that arithmetic is just a commodity, and people use whatever tool is convenient/familiar to solve it.
At least you have a scalable solution there though! :)
Ha, it really is like a sledgehammer for most problems! I have it because I used it a lot in my undergrad for class work and projects so mine as well use it every now and again.
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