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Author Topic: which is your hand of skill?  (Read 1175 times)

scourge728

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Re: which is your hand of skill?
« Reply #30 on: March 11, 2019, 08:12:22 am »

ptw because I can see this turning into memes

Caz

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Re: which is your hand of skill?
« Reply #31 on: April 22, 2019, 01:08:43 pm »

i don't remember why that i posted this but good job in discussion guys
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Max™

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Re: which is your hand of skill?
« Reply #32 on: April 22, 2019, 06:34:34 pm »

I was very sleepy and never noticed I typed "mathermatical" up there... fantastic.
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Iduno

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Re: which is your hand of skill?
« Reply #33 on: April 23, 2019, 02:27:18 pm »

First one, and then the other.
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hector13

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Re: which is your hand of skill?
« Reply #34 on: April 24, 2019, 09:41:36 pm »

i don't remember why that i posted this but good job in discussion guys

too much buckie mate
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Arx

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Re: which is your hand of skill?
« Reply #35 on: April 25, 2019, 07:57:30 am »

Depends on what you mean by mathematical notation, but most spreadsheet programs I'm aware of can manage one way or another.

Excel won't help you write a sigma, or a xi, or whatever.



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Frumple

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Re: which is your hand of skill?
« Reply #36 on: April 25, 2019, 08:06:34 am »

Depends on what you mean by mathematical notation, but most spreadsheet programs I'm aware of can manage one way or another.

Excel won't help you write a sigma, or a xi, or whatever.
Quick check seems to show "=SUMPRODUCT(1+2*(ROW(INDIRECT("1:"&$A$1))-1))" (minus quotes, probably aiming wherever it actually needs to) works for sigma :P

Probably similar stuff for whatever a xi is, or whatever a whatever is. Macros if you're actually using it often help. If you don't have access to more specialized software, you can muddle your way through most things with your average spreadsheet program.

... also still no answer on what hand of skill is, I see.
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Arx

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Re: which is your hand of skill?
« Reply #37 on: April 25, 2019, 12:54:42 pm »

That's a sum, not a sigma. :v No note-taking program that isn't basically a LaTeX editor permits proper writing of expressions such as one encounters in what could arrogantly be termed """real maths""" instead of arithmetic. For instance, this polynomial appears in the derivation of Adams-Bashforth methods:



The technology simply does not exist to transcribe this at handwriting speed, electronically, without being basically a LaTeX deity.
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Frumple

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Re: which is your hand of skill?
« Reply #38 on: April 25, 2019, 01:22:21 pm »

I mean... it actually does, it would just be handwriting. Stylus or finger stuff :P

... also apparently sigma is a sum? Uppercase, anyway. Never had reason to use the thing, iirc. Either way, spreadsheet stuff often won't be quicker for the setup, no. Just usable, and often enough faster if you need to fiddle with component pieces afterwards.

Can be good specifically for learning since, again, you often need to break more complicated stuff down to component parts to cobble together a working set of functions. Both see how the whatever works and easily see how it reacts when you mess with parts of it. Can be nice, and you can save it for later use, heh.
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