10.35.2 Greatest hits from previous weeks

10.35.2.1 Early computer art - reproducing Georg Nees "Schotter" and "K27"
10.35.2.2 Finding unit tangent, normal, and binormal vectors for a given r(t)
10.35.2.3 Entering numbers in Scientific Notation?
10.35.2.4 How can I plot the direction field for a differential equation?
10.35.2.5 Is there a syntax for single-line comments for notebooks?
10.35.2.6 How to manipulate 2D plots?
10.35.2.7 Where can I find examples of good Mathematica programming practice?
10.35.2.1 Early computer art - reproducing Georg Nees "Schotter" and "K27"

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=298265

Georg Nees (1926 - 2016) was a pioneer of computer art. He studied mathematics, physics and philosophy in Erlangen and Stuttgart. In 1977, he was appointed Professor of Applied computer science at the ... 
[plotting] [graphics] [generative-art]
 
asked by eldo https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=14254 Score of 22
answered by Daniel Huber https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46318 Score of 15
10.35.2.2 Finding unit tangent, normal, and binormal vectors for a given r(t)

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=18598

For my Calc III class, I need to find $T(t), N(t)$, and $B(t)$ for $t=1, 2$, and $-1$, given $r(t)=\{t,t^2,t^3\}$. 
 
I've got Mathematica, but I've never used it before and I'm not sure how to coerce ... 
[equation-solving] [calculus-and-analysis] [geometry] [vector-calculus] [homework]
 
asked by a98 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5605 Score of 33
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 Score of 48
10.35.2.3 Entering numbers in Scientific Notation?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=36792

I need to play with a lot of powers such as  10^-3 .  1E-3  does not work for it. Is there any short form for it? 
[number-representation]
 
asked by hhh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2000 Score of 83
answered by Joe https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=44710 Score of 4
10.35.2.4 How can I plot the direction field for a differential equation?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=8841

I'd like to plot the graph of the direction field for a differential equation, to get a feel for it.  I'm a novice, right now, when it comes to plotting in Mathematica, so I'm hoping that someone can ... 
[plotting] [differential-equations]
 
asked by Matt Groff https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1735 Score of 39
answered by Peter Breitfeld https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=307 Score of 31
10.35.2.5 Is there a syntax for single-line comments for notebooks?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=1496

I'm aware that I can use  (* ... *)  to comment out stuff in a notebook. Many languages have a syntax for single-line comments, such as 
 
... 
[syntax] [comment]
 
asked by Peeter Joot https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=10 Score of 84
answered by Szabolcs https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12 Score of 89
10.35.2.6 How to manipulate 2D plots?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=7142

When it comes to visual analysis, large datasets or data with intricate internal details often makes plotting in 2D useless, as the outcome is either just a fraction of the full dataset, or no details ... 
[plotting] [graphics] [dynamic] [gui-construction]
 
asked by István Zachar https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=89 Score of 146
answered by István Zachar https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=89 Score of 166
10.35.2.7 Where can I find examples of good Mathematica programming practice?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=18

I consider myself a pretty good Mathematica programmer, but I'm always looking out for ways to either improve my way of doing things in Mathematica, or to see if there's something nifty that I haven't ... 
[reference-request] [programming]
 
asked by J. M.'s missing motivation https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50 Score of 603
answered by faysou https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=66 Score of 528