Questions tagged [math]

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26
votes
8answers
205k views

Free alternative to step-by-step-solution feature of Wolfram|Alpha Pro?

Are there any free online and/or offline alternatives to the step-by-step-solution feature of Wolfram|Alpha Pro? This feature is able to display step-by-step-solutions of a wide variety of algebra ...
21
votes
5answers
925 views

Free alternatives to Matlab that run on Linux?

I recently joined the folks using Linux. As a result, I'm trying to replace as much of the propriety applications as I can, with free — and if possible open-source — alternatives. Since I need a ...
19
votes
3answers
8k views

Android app to convert handwritten math equations to LaTeX code

I found some programs to convert handwritten math equations into latex code such as: MyScript Mathpad (only iOS) InLage (only Windows) But I didn't find any app for android. Is there any app for ...
16
votes
3answers
1k views

Wysiwyg for math equations

I have a website for non-professional math users. I am looking for a WYSIWYG for math equations. I have found wiris but it isn't free. What I need: Simple, without programming knowledge (like MathML)...
15
votes
4answers
2k views

Real time interactive whiteboard for tutoring math

I ran this for a month on Math Educators, with no good answers. I'm now reposting here. I'm looking for a web app for tutoring math remotely to high school and junior high kids that ideally has the ...
14
votes
5answers
568 views

Wiki system for mathematical notetaking

For keeping track of notes, wiki systems like DokuWiki or MediaWiki are potentially extremely useful, especially for the ability to easily browse previous versions of notes, if I feel that some ...
13
votes
4answers
2k views

Free mobile alternative to step-by-step-solution feature of Wolfram Alpha Pro?

Are there any free online and/or offline alternatives to the step-by-step-solution feature of Wolfram Alpha Pro that can be used on Mobile phone? This feature is able to display step-by-step-...
13
votes
1answer
919 views

An open source alternative to Wolfram Alpha

I want an open source alternative to Wolfram Alpha that is like a QA system that: can take in natural language and process it have image processing functions has scientific functionality and ...
11
votes
5answers
8k views

Math equations software for 3D plotting

Is there a GUI based software that I can use to plot functions in 3D under Linux? Something with no frills but numerically correct, for example the "grapher" application under Mac OS is handy, but is ...
11
votes
6answers
2k views

Java library to transform a math formula into an AST

I am looking for a Java library which can parse mathematical formulas into an AST (abstract syntax tree). UPDATE:I'm open to alternatives in languages other than Java, provided that I can call these ...
10
votes
3answers
4k views

Open Source alternative to Maple and Mathematica

What I need is: symbolic calculation capabilities (I don't need software that does numerical stuff) extensible with a simple programming language. It can be interpreted (Python or Ruby), but ...
10
votes
1answer
527 views

WYSIWYG Geometry Tool

I need a tool that is able to: Draw 2D/3D geometric objects given the sufficient attributes (center, raduis for a circle, lower-left corner and side length for a cube etc.) Show the intersection ...
8
votes
2answers
1k views

Tool to calculate polynomial masks with maximal period for LFSRs?

Related to Linear Feedback Shift Registers - does any Windows or Linux tool exist, that helps calculating polynomial masks with maximal periods for different bit-lengths (beyond 64 bits)? It is ...
8
votes
2answers
2k views

Math equation with Graphic Tablet

I have a Graphic Tablet and I am looking for a software which have the following features: Math equation recognition I want to solve math equations in Graphic Tablet and auto recognized to copy paste ...
7
votes
4answers
309 views

Looking for a collaborative whiteboard app

I would like to share my situation with you: I want to a teach geographically-distanced person some mathematics. I've been trying to explain things over the phone, but I feel that visual explanations ...
7
votes
3answers
18k views

C/C++ library for solving nonlinear systems of equations

My system of equations is like this: (x - a1)2 + (y - b1)2 = c1 (x - a2)2 + (y - b2)2 = c2 I know it is simple using matlab: solve((x-a1)^2 + (y-b1)^2 - c1, (x-a2)^2 + (y-b2)^2 - c2) But how to ...
7
votes
3answers
3k views

Open source alternative to Wolfram Alpha

I recently wanted to compute the solution to 40*x = 200*(1- cos(x)). This is want I put into WolframAlpha, a sort-of pseudo code that I thought expressed what I wanted: solve(40*x == 200*(1 - cos(x)),...
6
votes
0answers
92 views

Open source Computer Algebra System (CAS)

I am looking for an open-source CAS based on python. However, I want this CAS to be able to take natural language (ex: "1+(5^2)" or "integrate x^2 from 0 to 1" or "one times 5") and return a result. I ...
5
votes
3answers
185 views

what is the graphing software that can plot points?

Initiating the study on graphs and functions requires a lot of graphing to do. So I thought of downloading a utility for drawing graphs, but the software I did download had no option that would enable ...
5
votes
4answers
153 views

Software based calculator that can handle millions of digits

Is there a cheap or free software-based calculator that is capable of doing basic arithmetic with numbers that have millions of digits? It would be even better if you could input and output numbers in ...
5
votes
2answers
820 views

Software for doing math “by hand”

I’m using Khan Academy to brush up on my math skills. Is there an iPhone app that will let me work out problems “by hand” so I can avoid using actual paper? I tried using the built-in Notes app, ...
5
votes
3answers
6k views

Java equivalent to NumPy

In the Python world, if I have some number crunching to do, I use NumPy and it's friends like Matplotlib. Now I have an Android/Java application and the need arises to crunch some numbers and I am ...
5
votes
2answers
945 views

Geometry library for C++

Is there a simple geometry library for C++? Just classes for points and lines, and the most basic and common functions such as getting the line length via Pythagorean theorem, calculating the ...
5
votes
1answer
60 views

vector graphics mark-up language for maths diagrams

I want to draw math diagrams, which I think falls in the category of vector graphics. I used the Tex package TikZ for a long time, but the language is not clean enough for me and feels like a hack ...
5
votes
3answers
584 views

C++ constexpr math (header-only) library

I'd like to utilize C++14's constexpr semantics expansion to calculate some mathematical formulae at compile time. But - I don't want to "roll my own" constexpr versions of sqrt(), log(), ...
5
votes
1answer
70 views

Software to make math substitution animations

I'd like to make some animations for a presentation showing math function-like substitutions. For example, given f(x) = x + x and f(2) the animation would show starting with both, then 2 being ...
5
votes
0answers
170 views

Visual editor for math expressions, with basic or better yet, full Unicode support

I am looking for a separate, standalone visual math editor. Requirements: Full or, at least, basic Unicode support (explanation below). Portable by nature. It means that all the app needs for ...
4
votes
2answers
65 views

Reverse graph visualization

Graph visualizers, such as Graphviz, can take a formal representation of the nodes and edges of a graph and produce an image from them. What's a program or programming library that can do the reverse; ...
4
votes
1answer
57 views

Simple Non-Linear Programming Software

I have a non-linear maximization problem with < 12 constraints and < 12 variables. I'm looking for free simple software in which I can enter the expression to be maximized along with the ...
4
votes
3answers
78 views

Software to search for correlation in data

I'm searching for a software where I can import a large amount of data (5000 columns, unknown number of rows, about 20gb) and the software gives me a estimate correlation (does not have to be very ...
4
votes
1answer
161 views

2d mathematics equation grapher for Windows

Is there a simple, free equation grapher for Windows? I would like this program to include Cartesian coordinates and polar coordinates. I am running 64-bit Windows 7.
4
votes
2answers
104 views

Graphing Calculator Softwares

I am trying to find a good Graphing Calculator software. I am looking for one with a lot of features for 2D graphics (it may have no 3D support, it does not matter), and a nice GUI (easy to use). It ...
4
votes
1answer
63 views

Web applications for natural maths calculations

Soulver is a Mac application that allows users to enter maths and text together to solve various problems. Is there a web application that allows similar functionality? Features: Web application ...
4
votes
1answer
3k views

Tool to convert formulas to C# code faster

I'm looking for a tool where I can simply type b * (1 + k) ^ 9 and have b * Math.Pow(1 + k, 9) or even better b * (float)Math.Pow(1 + k, 9) as an output. Sounds pretty easy?
4
votes
1answer
357 views

Fastest tool to calculate Pi (3.14…) from a given digit on Linux

I want to calculate Pi digits from 13 trillion to 13.1 trillion. What is the fastest tool for this? Requirements: Runs on Linux Open source Does NOT calculate the first 13 trillions (only ...
3
votes
6answers
393 views

Software that can calculate PI to at least a thousand digits

I'm looking for software that can calculate pi (π). I would like the software to meet these requirements, Simple as possible, something that just writes pi to either a text file or the command ...
3
votes
3answers
587 views

A number cruncher software that can work with very large numbers

I am looking for a software that is able to crunch very large numbers, i.e. numbers exceeding 100 (or thousands of) digits. It needs to be able to perform basic operations on them as well as others ...
3
votes
2answers
91 views

Word processor for math and code?

I'm looking for a graphic word processor who can support LaTeX such as Stack Exchange just by writing $\formula$, but also code writing. It's for taking my notes in my IT - math class.
3
votes
1answer
84 views

Basic algebra exercise solver

I am looking for a program that can solve basic algebra exercises such as: If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes? If Sally can paint a house in 4 ...
3
votes
2answers
45 views

A software that helps in building up the calculation ability?

I need a software to practice basic maths such as 21 * 21 , 453 + 234 etc. so that I can improve my calculation speeds. Is there any software for Linux which can help me achieve that? The software ...
3
votes
1answer
55 views

Software/service to MANUALLY convert technical PDFs into EPUB/Kindle format?

I'm interested in knowing what the available options are in the market for converting highly technical articles in PDF format (with lots of math formulas) into EPUB/Kindle formats manually? Is there ...
3
votes
2answers
159 views

Is there any good editor for 3D math scenes?

I was wondering if there is any useful editor for 3D math scenes out there. Something in style of a 3D editor like Blender, but with functionality like adding a line, plane or plot a function like in ...
3
votes
2answers
115 views

I mix between a text and a math editor

I'm looking for a software like Word, but able to do math calculations, so that you can write text that explains the math, and then show some calculations. Like TI-Nspire CAS (which I find a bit ...
3
votes
3answers
105 views

Easy way to manipulate equations

My office mate uses Microsoft Word to work out equations. It's easy to copy and paste equation line by line and just do a single manipulation each line. The benefit is you won't be missing factors ...
3
votes
2answers
296 views

Super simple note-taking app on OS X

I'm an OS X user with an annoying problem. Whenever I need to quickly jot something down, I reflexively tab into TextEdit, hit option-N and start typing. This is great for almost instantly being able ...
3
votes
1answer
156 views

Is there a more Electrical-Engineering or Math focused version of/alternative to Minecraft?

So my 6-year-old is a Minecraft maniac. We play together constantly and have gotten relatively deep into the game. It's an amazing game and I think the overall effect on him is positive. But while ...
3
votes
1answer
170 views

Looking for optimization libraries to optimize a matrix

I need to solve the problem shown below, but I do not know what optimization libraries can solve this problem. The optimization target is a 3x3 matrix A and a 3D vector b, given the 3D vectors xi ...
3
votes
2answers
65 views

Linkable scientific graph webapp

This is a typical scientific graph webapp: Enter your function, set the options, and the graph appears. Unfortunately, all I have tried are not sharable. If you want to share a graph with colleagues,...
3
votes
1answer
56 views

Software to solve semidefinite programs

I'm looking for software to solve a particular semidefinite program. The constraints are specified as a set of linear constraints on pairwise products of the components of some vector (xi)i ∈ ℝn: I'...
3
votes
1answer
68 views

Converting sentences into propositional logic

I am looking for a program or web service that can convert sentences into propositional logic, if possible running on Windows or Linux and open source. Examples: Let p = It is raining Let q = Mary ...