Math Software
Moderators: gmalivuk, Moderators General, Prelates
Re: Math Software
Uncommons Maths looks interesting. It is a java library that has expanded random number abilities, including various distributions. Also Combinatorics, Statistics, Rational Arithmetic, and Binary packages.
https://uncommonsmaths.dev.java.net/
https://uncommonsmaths.dev.java.net/

 Posts: 5
 Joined: Sat Feb 14, 2009 3:05 pm UTC
Re: Math Software
I was recently introduced to winplot.
It's a great small tool for windows, can do 2D and 3D and has an internal list of all the functions.
It's a great small tool for windows, can do 2D and 3D and has an internal list of all the functions.
 Mach1ne
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 Location: This exact location but 3 minutes from now
Re: Mathematics Resources (Website links)
Yep people still use them in numerical analysis. I'm currently using Octave in a class and if you can get passed the command prompt style and the less user friendly layout it works almost as good at MATLAB. Pretty nice piece of free software there.
 thoughtfully
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Re: Math Software
I recently came across Mathomatic, which is a basic, really lightweight computer algebra system. Its available as a static executable for Linux, which is only about two thirds of a megabyte. There's a win32 package that comes bundled with Cygwin DLLs that is a little bigger. It doesn't have every obscure feature under the Sun, but it's got a few of them. It's also actively maintained. For those times when Maxima is overkill, too bloated, or just plain ain't behaving (which is more often then I'd like). It also has colors, a feature that Maxima cannot boast of!
Here's a sample session:
Here's a sample session:
Code: Select all
Mathomatic version 14.3.3 (www.mathomatic.org)
Copyright (C) 19872009 George Gesslein II.
100 equation spaces available, 960 kilobytes per equation space.
ANSI color mode enabled; disable with the c option.
1> a=G*M/r/r
G*M
#1: a = 
(r*r)
1> r=2*G*M/c/c
2*G*M
#2: r = 
(c*c)
2> tu=hbar*a/(2*pi*c*k)
hbar*a
#3: tu = 
(2*pi#*c*k)
3> replace a with #1
G*M/(r*r)
hbar*G*M
#3: tu = 
(2*(r^2)*pi#*c*k)
3> replace r with #2
2*G*M/(c*c)
hbar*G*M
#3: tu = 
2*G*M
(2*(^2)*pi#*c*k)
(c^2)
3> simplify
hbar*(c^3)
#3: tu = 
(8*G*M*pi#*k)

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 Joined: Fri Apr 20, 2007 3:27 pm UTC
 Location: The Tower of Flints. (Also known as: England.)
Re: Math Software
For data visualisation, ParaView is a great piece of open source software. It takes maybe a day of coding (at the very most  usually more like half an hour) to get your code to dump data in a compatible format (I've found the VTK ASCII format to be easiest), and you then gain access to a wide range of powerful, professional visualisation tools.
VisIt is similar, although I've never used it.
VisIt is similar, although I've never used it.
Generally I try to make myself do things I instinctively avoid, in case they are awesome.
dubsola
dubsola
Re: Math Software
I am a huge fan of Qualculate!. Its library is also released open source. It allows you to parse mathematical strings, generate latex, et cetera.
Re: Math Software
If you're a student, I highly recommend the student version of Mathematica. It runs $120 and will carry you from high school through graduate school, should you need it to.
If you're not a student, I'm inclined to recommend SymPy or [url=sagemath.org]Sage[/url]. Both are Free Software (as in no cost and copyleft) and quite good, but not as powerful as Maple or Mathematica just yet.
If you're not a student, I'm inclined to recommend SymPy or [url=sagemath.org]Sage[/url]. Both are Free Software (as in no cost and copyleft) and quite good, but not as powerful as Maple or Mathematica just yet.
Re: Math Software
Velifer wrote:For mathematicians who are pathological liars:
SAS: Huge dinosaur stats and data manipulation package, tries to be everything, only partially succeeds. Steep learning curve, Steep price. Lots of expensive addins.
R: Like SAS, but free. Lots of free but questionably coded addins. Caveat emptor.
SPSS, MiniTAB: Clicky stats. Get the job done, if you don't need much.
OpenEpi is cool if you need to do some basic stats from a strange computer.
My overwhelming favorite:
Stata: A bit of a learning curve (can replace 30 lines of SAS code with a single line). Excellent handling of complex survey weights. Small, fast, and powerful, leaves data manipulation to database programs that are good at that sort of thing. Has a peerreviewed database of new procedures and papers, the online help/journal is amazing. Pisses SAS users off.
To quote a STATA rep's remix of Baby Got Back: "So they teach Stata in class, but the real world uses SAS..."
My take on the many and sundry statistics packages out there:
SAS: The 800 pound gorilla of the stats world, it does a tremendous amount of stuff, and does it well. A very active community means there are code snippits for almost anything out there, and when it comes down to it, chances are your collaborators are using it. Very good at data manipulation. Cons: Wicked pricey, a substantial learning curve, and without some serious knowhow, it can't graph its way out of a paper bag, temptation to punch Stata users.
JMP: SAS's graphical cousin  I'm convinced one day its just going to be repackaged as the GUI and data visualization arm of the main SAS package. Decent stats, good integration with SAS for data manipulation needs, very good data visualization. It makes some decisions essentially for you, which can be good for the beginning statistics types, but occasionally gets annoying.
SPSS/MiniTab/SysStat etc.: Pretty lightweight programs that can get the job done if you're talking about ttests, ANOVA and linear regression. For anything more complex, SAS/Stata/R users will look at you like you're damaged.
R: Free, rockstar visualization, active community. Very good package, can do nigh everything SAS or Stata can do. On the other hand, at least one major paper has had to be retracted due to coding errors  open source is only as good as the community, and every module needs to be looked over with a critical eye.
Stata: Very good program, way cheaper than SAS, but with somewhat less market penetration. Can do much better visualization than SAS, but that's like beating a cripple in a foot race. Tends, in my experience, to not be the program of choice for the hardcore stats types, who favor SAS or R/S+, but very popular with applied folks. Does metaanalysis way better than SAS. Slightly less "there's a book on how to do that" than SAS because they're lacking the publication might of the SAS Press. My major hangup is the language itself tends to encourage letting you not specify certain choices or let the program take care of it in the background  I prefer having to expressly code things.
 StardustDeath
 Posts: 12
 Joined: Sun Jul 05, 2009 4:43 am UTC
Re: Math Software
The Geometer's Scetchpad (spelled wrong purposfully) SUCKS!!! Geogebra is much easier to use AND it's free. Soon, Geometer's S. will become obselete so to all of you geometry teachers that still use it: FAIL
Use Geogebra
Use Geogebra
Re: Math Software
StardustDeath wrote:The Geometer's Scetchpad (spelled wrong purposfully) SUCKS!!! Geogebra is much easier to use AND it's free. Soon, Geometer's S. will become obselete so to all of you geometry teachers that still use it: FAIL
Use Geogebra
So I was going to make my first post here about geometry software, but then I saw this post and was like "Well, I guess I'll try GeoGebra, for this guy to be so fervently supporting it he's either paid to do it or it's pretty awesome".
So I tried out GeoGebra, and it's PRETTY SWEET.
Except for one thing,I can't figure out any way to measure angles and compare segment lengths and things like that, which I remember being able to do in GSP,
IE: one time in class we proved the Law of Sines by plugging in the segment lengths into the equation so it looked like (sin B/AC),(sin A/BC),(sin C/AB) in the "Calculate" Window and then the values popped up nicely in the corner of the drawing space so that I could observe that the values were indeed equal even as we wildly moved the vertices of triangle ABC.
I don't seem to be able to dynamically observe things like this in Geogebra, so basically I'm posting this to say that I was rather disappointed and also in hopes that I'm just an arseface who just couldn't figure out how to do it.
Would you happen to know of any OTHER free software that has this capability?
I have a pair of pants.
Re: Math Software
For geometry, I've always used this free program called kseg. I've not tried other geo programs.
Also I've been using this thing called Macaulay 2 for the last summer. Ever wanted to try computing sheaf cohomology on a projective scheme? Now you can!! (You can also do groebner bases, primary decompositions, find minimal projective resolutions, and the like)
Also I've been using this thing called Macaulay 2 for the last summer. Ever wanted to try computing sheaf cohomology on a projective scheme? Now you can!! (You can also do groebner bases, primary decompositions, find minimal projective resolutions, and the like)
Zµ«VjÕ«ZµjÖZµ«VµjÕZµkVZÕ«VµjÖZµ«VjÕ«ZµjÖZÕ«VµjÕZµkVZÕ«VµjÖZµ«VjÕ«ZµjÖZÕ«VµjÕZµkVZÕ«ZµjÖZµ«VjÕ«ZµjÖZÕ«VµjÕZ
Re: Math Software
I'm looking for a program to write mathematical equations with ease with. Something that can export the written formula in some sort of image format. And it should run on Linux.
Any help would be appreciated.
Any help would be appreciated.
 Talith
 Proved the Goldbach Conjecture
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 Location: Manchester  UK
Re: Math Software
Kurushimi wrote:I'm looking for a program to write mathematical equations with ease with. Something that can export the written formula in some sort of image format. And it should run on Linux.
Any help would be appreciated.
Try www.mathurl.com . If you know a little LaTeX then it's really easy to typeset equations. It outputs a .png image which you can save. If I remember correctly I was introduced to the site from a thread someone posted on the fora and I use it very often to talk mathy with people in IMs.
 Alpha Omicron
 Posts: 2765
 Joined: Thu May 10, 2007 1:07 pm UTC
Re: Math Software
Kurushimi: Just get a LaTeX distribution. Failing that, there's a webbased one called ScribTeX.
Here is a link to a page which leverages aggregation of my tweetbook social blogomedia.

 Posts: 17
 Joined: Fri Aug 21, 2009 4:13 am UTC
Re: Math Software
MAPLE!!!!!!!!!!!!!!
im a U waterloo cs student so gotta support our program!
im a U waterloo cs student so gotta support our program!
Re: Math Software
I am not sure if anyone said this yet, because I am too busy (read lazy) to scan through all the replies, but Wolfram's Mathematica is quite possibly the best commercially available math software. I can say it is definitely worth the money.

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Re: Math Software
Mens rea wrote:I am not sure if anyone said this yet, because I am too busy (read lazy) to scan through all the replies, but Wolfram's Mathematica is quite possibly the best commercially available math software. I can say it is definitely worth the money.
No reading necessary:
the search field wrote:Search found 11 matches: +mathematica
GENERATION 16 + 31i: The first time you see this, copy it into your sig on any forum. Square it, and then add i to the generation.
Re: Math Software
I'm looking for a data plotter. Something that I can feed a bunch of x, y coordinates in any simple format which, preferably, I can make a program write into a text file and then copy/paste (something like two numbers a line with spaces between them) , and it will churn out a graph plotting them all.
Any extra features would be a bonus.
(I know googling "Data plotter" will probably give me what I'm looking for. But I post here to get the one people have had the best experience with)
Any extra features would be a bonus.
(I know googling "Data plotter" will probably give me what I'm looking for. But I post here to get the one people have had the best experience with)
Re: Math Software
What's wrong with Excel/OpenOffice Calc ?Kurushimi wrote:I'm looking for a data plotter. Something that I can feed a bunch of x, y coordinates in any simple format which, preferably, I can make a program write into a text file and then copy/paste (something like two numbers a line with spaces between them) , and it will churn out a graph plotting them all.
Any extra features would be a bonus.
(I know googling "Data plotter" will probably give me what I'm looking for. But I post here to get the one people have had the best experience with)
For something more complex I'd try throwing something together in Python with SciPy/PythonMatplotlib.
"The Machine Stops", by E. M. Forster (1909)
Barry Schwartz TED Talk: "The Paradox of Choice" (Featuring the True Secret to Happiness)
Barry Schwartz TED Talk: "The Paradox of Choice" (Featuring the True Secret to Happiness)
Re: Math Software
Actually, I totally forgot about excel. It seems like exactly what I need. Thank you.

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 Joined: Fri Apr 20, 2007 3:27 pm UTC
 Location: The Tower of Flints. (Also known as: England.)
Re: Math Software
Gnuplot is another standard solution (plotting a datafile of the type you describe is pretty much exactly what it's designed for). It's scriptable, fairly easy to use, and can produce publicationquality graphs (with a bit of practice).
Generally I try to make myself do things I instinctively avoid, in case they are awesome.
dubsola
dubsola
Re: Math Software
So I'm in high school, taking IB Math Higher Level starting this year (syllabus which may be accurate here [it goes up to derivatives and integrals, maybe higher, IIRC]), and my teacher recommended I get the student edition of Mathematica.
However, my parents aren't sure what benefit it would provide to me, or whether it would just let me do my homework faster. I looked at the wiki page for mathematica, but it's not exactly very friendly to the uninitiated.
So, what benefits would mathematica provide to me, and do you think I should get it?
Thanks!
However, my parents aren't sure what benefit it would provide to me, or whether it would just let me do my homework faster. I looked at the wiki page for mathematica, but it's not exactly very friendly to the uninitiated.
So, what benefits would mathematica provide to me, and do you think I should get it?
Thanks!
You, sir, name? wrote:If you have over 26 levels of nesting, you've got bigger problems ... than variable naming.
suffercait wrote:it might also be interesting to note here that i don't like 5 fingers. they feel too bulky.
Re: Math Software
I learned integral and differential calculus very well, and I never had Mathematica.
I suppose if you're some "visual learner" (or something) and feel that you get a much better grasp of concepts from looking at graphs of curves with tangents drawn on them and such forth, something of that nature might be useful.
I must also admit that when I learned I could use Mathcad (not quite the same) to check my algebra for the massive, lengthy equations I had previously been trying to do by hand, it was something I'd wished I'd learned about a long time ago. But I would question the educational value of assigning questions requiring that much algebra for just basic integral or differential calculus. Besides, doesn't the professor expect you to show your work?
I suppose if you're some "visual learner" (or something) and feel that you get a much better grasp of concepts from looking at graphs of curves with tangents drawn on them and such forth, something of that nature might be useful.
I must also admit that when I learned I could use Mathcad (not quite the same) to check my algebra for the massive, lengthy equations I had previously been trying to do by hand, it was something I'd wished I'd learned about a long time ago. But I would question the educational value of assigning questions requiring that much algebra for just basic integral or differential calculus. Besides, doesn't the professor expect you to show your work?
"The Machine Stops", by E. M. Forster (1909)
Barry Schwartz TED Talk: "The Paradox of Choice" (Featuring the True Secret to Happiness)
Barry Schwartz TED Talk: "The Paradox of Choice" (Featuring the True Secret to Happiness)
Re: Math Software
Well, we haven't gotten into calculus yet, so I don't know how long/complicated the equations will be, or how easily I'll learn them.
Yeah, our math teacher expects us to show our work, and we probably won't have mathematica available on tests, so I definitely wouldn't want to become dependent on it.
Yeah, our math teacher expects us to show our work, and we probably won't have mathematica available on tests, so I definitely wouldn't want to become dependent on it.
You, sir, name? wrote:If you have over 26 levels of nesting, you've got bigger problems ... than variable naming.
suffercait wrote:it might also be interesting to note here that i don't like 5 fingers. they feel too bulky.
Re: Math Software
What I'd really like is a program where I can plot a graph like
(xa)^{2}+(yb)^{2}=1
and have the point (a,b) appear on my graph, so that the graph redraws as I drag it about. Does anyone know if there are any programs in which I can do that?
(xa)^{2}+(yb)^{2}=1
and have the point (a,b) appear on my graph, so that the graph redraws as I drag it about. Does anyone know if there are any programs in which I can do that?
 Indigo is a lie.
Which idiot decided that websites can't go within 4cm of the edge of the screen?
There should be a null word, for the question "Is anybody there?" and to see if microphones are on.
Re: Math Software
What do you guys think of MathCAD?
I only ask because as a student at my college a got a free download, so naturally I downloaded it. I haven't really played around with it much though.
I really haven't heard that much either, at least to people I've talked to in person. Most of the people I know of use MatLab.
Is MathCAD even a program worth having?
I only ask because as a student at my college a got a free download, so naturally I downloaded it. I haven't really played around with it much though.
I really haven't heard that much either, at least to people I've talked to in person. Most of the people I know of use MatLab.
Is MathCAD even a program worth having?
Re: Math Software
I just posted about MathCAD above. The interface really takes some getting used to.
"The Machine Stops", by E. M. Forster (1909)
Barry Schwartz TED Talk: "The Paradox of Choice" (Featuring the True Secret to Happiness)
Barry Schwartz TED Talk: "The Paradox of Choice" (Featuring the True Secret to Happiness)
Re: Math Software
Night and day. I suggest you consult Wikipedia.faran298p wrote:ei guys..Whats the difference between mathcad and mathlab?
No.Can you give me some sites where mathcad is free to download?
(Why does this sound like a spambot?)
"The Machine Stops", by E. M. Forster (1909)
Barry Schwartz TED Talk: "The Paradox of Choice" (Featuring the True Secret to Happiness)
Barry Schwartz TED Talk: "The Paradox of Choice" (Featuring the True Secret to Happiness)

 Posts: 52
 Joined: Sat Nov 07, 2009 11:03 pm UTC
 Location: Central U.S.
Re: Math Software
Maxima is really good, as has been said a few times before. It has random and unexpected limitations, though. It can do a staircase graph, which surprised me, but I never could figure out how to find the maxima or minima of a function, which seems like it would be a very basic function. Maxima takes some getting used to, but it's a pretty good program, especially considering it's free. I use it occasionally for my fractals class. It's essentially commandbased (really, though, all CAS programs are), but it's good a great GUI frontend (if I'm using that word correctly) called wxMaxima if you're using Windows or Linux. Most of the major commands can be entered by selecting them in the menu and putting in the information you need, then wxMaxima creates the code for you. For the lesserknown commands, you have to look at the guide. Don't know about the Mac GUI frontend, but I know there is one.
This may have already been posted, but I found this article useful, and it's how I came across Maxima
http://en.wikipedia.org/wiki/Mathematical_software
I've got a pretty cool Windows Mobile program called PocketCAS, too. Unfortunately, I get pretty much zero use out of it, though, lol. When I'm out and about, I don't have the patience to use it, especially because a TI89 does most of the important stuff.
Edit: I'm about to try SMath, too. (http://en.smath.info/forum/) I'm surprised it hasn't been listed already. Maybe that means it sucks, lol, I don't know, but I'm giving it a try. It's also available on WinMo.
This may have already been posted, but I found this article useful, and it's how I came across Maxima
http://en.wikipedia.org/wiki/Mathematical_software
I've got a pretty cool Windows Mobile program called PocketCAS, too. Unfortunately, I get pretty much zero use out of it, though, lol. When I'm out and about, I don't have the patience to use it, especially because a TI89 does most of the important stuff.
Edit: I'm about to try SMath, too. (http://en.smath.info/forum/) I'm surprised it hasn't been listed already. Maybe that means it sucks, lol, I don't know, but I'm giving it a try. It's also available on WinMo.
 RogerMurdock
 Posts: 158
 Joined: Mon Jul 27, 2009 10:35 pm UTC
Re: Math Software
joshz wrote:Well, we haven't gotten into calculus yet, so I don't know how long/complicated the equations will be, or how easily I'll learn them.
Yeah, our math teacher expects us to show our work, and we probably won't have mathematica available on tests, so I definitely wouldn't want to become dependent on it.
I would say go for it anyway. I was in a similar situation when I started Calc AB and bought a TI89. If you don't know, it can symbolically solve, do derivatives, integrals, limits...etc. I was told it was a bad idea to even own it, and I really shouldn't use it or I probably wouldn't learn anything at all.
Turns out, it helped a ton with homework and I often learned things ahead of the curve just by playing around with it in class and seeing what came out. I consider myself a better student for it today, and I wouldn't imagine your situation would be much different with mathematica. Though reading over your/my posts, an 89 seems much more your speed. Mathematica is nice, but you can't lug your computer around everywhere and an 89 can be used in class and on the AP exam (a huge advantage in my opinion).

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 Joined: Sat Nov 07, 2009 11:03 pm UTC
 Location: Central U.S.
Re: Math Software
I just noticed that this topic's been stickied. (Maybe it's been stickied for awhile but I just didn't notice.) Might I also suggest maybe making a brief list of the programs mentioned and putting it in the first post and categorizing them into free/not free? Just a suggestion. I also realize that might be hard to keep up.
While I'm here, I might as well mention that yesterday I heard two people in the math dept talking about a free iPhone app that's basically a reference program, like it lists important series, integrals, etc. etc. Unfortunately, I don't know what it's called, but I think that if you just search "math reference" in the app store it's the first thing that comes up. I don't use an iPhone, but it looked really useful, so if you have an iPhone you might want to check it out. It's actually what led me to SMath, because I wondered if there was a similar program for WinMo and that turned out to be a function of SMath.
While I'm here, I might as well mention that yesterday I heard two people in the math dept talking about a free iPhone app that's basically a reference program, like it lists important series, integrals, etc. etc. Unfortunately, I don't know what it's called, but I think that if you just search "math reference" in the app store it's the first thing that comes up. I don't use an iPhone, but it looked really useful, so if you have an iPhone you might want to check it out. It's actually what led me to SMath, because I wondered if there was a similar program for WinMo and that turned out to be a function of SMath.
 RogerMurdock
 Posts: 158
 Joined: Mon Jul 27, 2009 10:35 pm UTC
Re: Math Software
adanedhel728 wrote:I just noticed that this topic's been stickied. (Maybe it's been stickied for awhile but I just didn't notice.) Might I also suggest maybe making a brief list of the programs mentioned and putting it in the first post and categorizing them into free/not free? Just a suggestion. I also realize that might be hard to keep up.
While I'm here, I might as well mention that yesterday I heard two people in the math dept talking about a free iPhone app that's basically a reference program, like it lists important series, integrals, etc. etc. Unfortunately, I don't know what it's called, but I think that if you just search "math reference" in the app store it's the first thing that comes up. I don't use an iPhone, but it looked really useful, so if you have an iPhone you might want to check it out. It's actually what led me to SMath, because I wondered if there was a similar program for WinMo and that turned out to be a function of SMath.
I have an app on my iphone just like this, it's called Formulus Free and i'm pretty sure it's a free downoad. Very useful, contains most rules and formulas from basic geometry to trig to calc and so on.

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 Joined: Sat Nov 07, 2009 11:03 pm UTC
 Location: Central U.S.
Re: Math Software
FYI, Roger, I'm pretty sure there's some CAS program for iPhone out there, too. You might find that useful. But, honestly, I really haven't used my WinMo CAS program much, lol.
Edit: I went ahead and looked it up, and the iPhone CAS program is called Mathomatic. (I'm guessing you get it by searching in the App Store? I don't know how acquiring new iPhone applications works.) It's actually not exclusively on the iPhone, but the iPhone version is the only one with a GUI, according to Wikipedia.
Anyway, thought you might like to know in case it interests you. And any other iPhone users who would read this.
Edit again: Just discovered that it's not free, but cheap, just $2.
http://www.gotow.net/mathomatic/
Edit: I went ahead and looked it up, and the iPhone CAS program is called Mathomatic. (I'm guessing you get it by searching in the App Store? I don't know how acquiring new iPhone applications works.) It's actually not exclusively on the iPhone, but the iPhone version is the only one with a GUI, according to Wikipedia.
Anyway, thought you might like to know in case it interests you. And any other iPhone users who would read this.
Edit again: Just discovered that it's not free, but cheap, just $2.
http://www.gotow.net/mathomatic/
 thoughtfully
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 Contact:
Re: Math Software
I've mentioned Mathomatic before in this thread (go to the top of this page). It's open source, and it says so on the link to the iPhone app. It's pretty lightweight/console oriented, but still capable. Perfect for a iPhone. You can click on the support tab or go to my post to get to the Mathomatic site and get full docs.

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 Joined: Sat Nov 07, 2009 11:03 pm UTC
 Location: Central U.S.
Re: Math Software
Since I've mentioned PocketCAS, I'll go ahead and post a couple of things
http://pocketcas.com/?Download
Download for the WinMo version.
And now apparently it's being developed for the iPhone as well, since the person who makes the program just got one, it looks like.
http://pocketcas.com/iphone
Also $2.
Thankfully the download for the WinMo version is still available, but I am disappointed that there won't be any future releases.
http://pocketcas.com/?Download
Download for the WinMo version.
And now apparently it's being developed for the iPhone as well, since the person who makes the program just got one, it looks like.
http://pocketcas.com/iphone
Also $2.
Thankfully the download for the WinMo version is still available, but I am disappointed that there won't be any future releases.
Re: Math Software
I am using autoCAD,it's good.
Re: Math Software
Macbi wrote:What I'd really like is a program where I can plot a graph like
(xa)^{2}+(yb)^{2}=1
and have the point (a,b) appear on my graph, so that the graph redraws as I drag it about. Does anyone know if there are any programs in which I can do that?
Three ways to do this (or similar) in GeoGebra:
(1)
Type: x^2+y^2=1 and then drag the graph
Optional  type: A=Center[c]
(2)
Make a Point A
Type: Circle[A,1]
(3)
Make a Point A
Type: (xx(A))^2+(yy(A))^2=1 and drag Point A
Re: Math Software
Except for one thing,I can't figure out any way to measure angles and compare segment lengths and things like that
Quick example: If you have a segment called 'a' then you can type this into the Input Bar to make a dynamic text:
"length = "+a
Ask in the GeoGebra forums or read the manual for more information (including how to make fractions appear nicely)
Re: Math Software
Someone really should make a list of all of these programs people have mentioned.
Re: Math Software
Aleifr wrote:Someone really should make a list of all of these programs people have mentioned.
~"Your wish is my command"~
Spoilered for EXCESSIVE length.
Spoiler:
Yakk wrote:hey look, the algorithm is a FSM. Thus, by his noodly appendage, QED
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