# Description

The most powerful mathematical app!

Free “Step by step” for all functions.

OFFLINE: app does not require access to the internet.

Free “Step by step” for all functions.

OFFLINE: app does not require access to the internet.

ALL AVAILABLE FUNCTIONS:

---Matrix algebra---

[+] matrix addition

[+] inverse

[+] matrix multiplication

[+] multiplication by number

[+] matrix transposition

[+] find determinant (Gauss)

[+] definition of the rank

[+] find determinant (Minors)

[+] System Of Linear Equation (A)x=(B) (Gauss)

[+] System Of Linear Equation (A)x=(B) (Kramer)

[+] matrix equation (A)(X)=(B)

[+] matrix equation (X)(A)=(B)

[+] LU decomposition

[+] inverse matrix (Minors)

[+] matrix power

[+] eigenvalues

---Vector algebra---

[+] dot product

[+] length of vector

[+] cross product

[+] angle between vectors

[+] build vector by points

FEATURES:

[-] theory

[-] new functions (vector algebra)

[-] export to Maple, MathLab, Wolfram

[-] clipboard for cells

Download assistant for solving problems in areas such as: linear algebra, analysis, economics, differential equations and computer graphics.

You must install this app before submitting a review.

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My review

Review from

# Reviews

Helpfulness

Newest

Rating

Helpfulness

All Versions

All Versions

Latest Version

4.3

699 total

5 457

4 123

3 58

2 14

1 47

Andrew Keith

Best matrix app With free step by step solutions this app is very useful for solving and learning matrix and vector operations. Cool new interface too.

John Miguel Molina

Finally I found a creator that reply to our feedback. I will recommend it to all of my classmates. Keep it up.

Enrique Ceballos

Awesome Great overall. I am a math professor and I recommend this app to my students one we get into large matrices or into situations where we have to put a matrix to a large power. The only suggestion I would give to the developer is to eliminate what's in a cell when one chooses it. It takes time to have to clear the cell instead of just typing the number in

Marilyn Cross

Algrebra This looks and sounds excellent, how long will this last in order to learn the concepts and rules?

A Google User

Decision made I haven't use this app a lot but for the short time I have, its been doing well til this pass week. It keep force closing on me. If it keeps up.....can we say uninstalled. (Update 2/4/14): time has passed since my last statement. I must say there has been a lot of improvement and I do like the sleeker look it has. I have used this app a lot and it has proven to be very useful. Thank you for fixing the bugs that was causing it to force close!

User reviews

ComfyMobile February 8, 2014

Thank you for your review, Brittney! ComfyMobile December 11, 2013

Dear Sebastian! If you want to fast closing, you have HOME button on your device. Shows steps I accidentally reduced my B matrix too far, and it erased a row in A, mostly: having to clear wrong data from each segment before entering correct #'s is a pain. Besides not preserving the column data and this extra step it's a gem for checking work.

ComfyMobile October 6, 2013

This feature is made to prevent data loss in case of accidental resizing. We plan to add quick removal, thank you for your review Can't even get a determinant right Kept telling me the determinant of a matrix was 4 when more reliable software and my own calculations confirmed it was 1. Piece of junk.

ComfyMobile October 22, 2013

Thanks for your review. Can you sending me your matrix? comfymobile@gmail.com Review deleted

# What's New

- New interface with new design

- Vector algebra

- Clipboard for matrices

- Speed up Math kernel

- More bugs fixed

- Support most devices with Android 2.3 - 4.4

# Additional information

Updated

November 4, 2013

Size

2.1M

Installs

50,000 - 100,000

Current Version

2.0

Requires Android

2.3.3 and up

Content Rating

Everyone

Permissions

Report

Flag as inappropriate Offered By

ComfyMobile

Developer

# Similar

## Math Helper Lite - Algebra

Mediant

1

Math Helper Free is the best application on the market, which solves mathematical problems and shows step-by-step solution.

It's easy - you enter a problem and get the answer, detailed solution and a theory reference.

THIS IS ORIGINAL MATH HELPER. Avoid cheap clones of this app on the market and see no further – download it right now!

***

OUR USERS SAY:

«This is amazing app this helped me to study easily without any doubt.. Without any guidence i can get full marks in maths ... Love this app :) :) :D» - Pulkit G.

***

WHAT IT HAS

[✔] Linear Algebra - Operations with matrices (solving matrix)

[✔] Linear Algebra - Solving systems of linear equation (from 2 to 10 equation at a time)

[✔] Vector Algebra - Vector (vector problems)

[✔] Vector Algebra - Geometry Shapes (geometry – triangles, pyramids, planes)

[✔] Calculus - Derivative (Derivative of the function, of a function defined parametrically, of an implicit one)

[✔] Calculus - Indefinite Integral (integral solver, antiderivatives)

[✔] Limits (limits calculator solver)

[✔] The theory of probability (probability theory, statistics)

[✔] Calculus - The number and sequence (prime factorization, lcm and gcd, complex numbers, arithmetic and geometric progressions and numbers, Diophantine equation, Euler function)

[✔] Function plotter (interactive graph plotter)

[✔] Also contains great scientific calculator and theoretical handbook

Math Helper Free is an universal assistant app for step-by-step solving mathematical problems for Algebra 1-2, Calculus (integral, Derivative, antiderivatives, vector, matrices (matrix), limits, equation, shapes, number etc) for school, secondary, college and university students and everyone who learn.

It allows you not only to see the answer or result of a task, but also a detailed step-by-step solution.

Also great feature is built-in scientific calculator and reference handbook – much easier to learn.

***

FEATURES AND ACHIEVEMENTS

✧ 10 topics and 60+ sub-section.

✧ Localization for Russian, English, Italian, French, German and Portuguese

✧ Intel ® Learn Series Alliance quality mark

✧ EAS ® approved

✧ More than 10'000 customers all over the world supported development of Math Helper Free by doing purchase

✧ The application is equipped with a convenient multi function calculator and extensive theoretical reference handbook to learn better

Derivative, antiderivatives, limits, geometric shapes, the task of statistics, probability theory, matrices or matrix (large spectrum of tasks with matrices (matrix) supported), systems of equation and other mathematical solving – this and more in Math Helper!

***

SUPPORT

✪ Thank you all helping us to reach 800'000+ downloads of Lite version

✪ You could also support us with good feedback at Google Play or by links below (facebook, twitter, email etc.)

✪ Our Facebook page: https://www.facebook.com/DDdev.MathHelper

✪ Or you could reach us directly by email

***

WHAT IS NEXT

We have plans to implement

● Numbers and polynomial solving, division and multiplication

● Fractions and definite integral (antiderivatives)

● Double integral (antiderivatives)

● New Derivative tasks

● More tasks on geometry, plotter

● Limits step-by-step

● Implement new design and add 50+ new tasks

● New applications, like Calculus symbolic calculator, Physics Solver, Physics Ref, Chemistry Solver, Geometry Shapes Solver and Plotter, theoretical reference handbook app.

***

Having problems with Probability theory, geometry shapes solution, integral, matrices (matrix), graph plotter, even more extensive theoretical reference handbook and much much more? Want to learn better? See no further – download this application right now!

P.S. Support us by liking us on Facebook

P.P.S Full solution is available not for all problem types, integral and limit problems available only in Full version.

******** THANK YOU!!! ********

## Graphing Calculator by Mathlab

If you're looking for a graphing calculator app that works smoothly and seamlessly, you've found it! Graphing Calculator by Mathlab is a scientific graphing calculator integrated with algebra and is an indispensable mathematical tool for students in elementary school to those in college or graduate school, or just anyone who needs more than what a basic calculator offers. It is designed to replace bulky and costly handheld graphing calculators and works on virtually any Android phone or tablet.

Furthermore, Graphing Calculator by Mathlab displays calculations as it performs them on the high-quality display of the Android device, making it easier for the user to understand the calculations and see them clearly. This app has two great strengths. First, it acts as a fine scientific calculator, but, more than that, it displays the intermediate steps of the calculations as you type. It allows the students to both watch and learn how the calculations are made and how to find the final answer. Second, the graphing ability is absolutely stunning! Not only does the calculator beautifully display the graphs, but it automatically generates the x- and y- values and displays them as well.

Free version requires internet connection and contains ads! Upgrade to PRO!

Help site with instructions and examples: http://help.mathlab.us

If you have a question, send email to calc@mathlab.us

SCIENTIFIC CALCULATOR

* Arithmetic expressions +,-,*,/,÷

* Square root, cube and higher roots (hold ‘√’ key)

* Exponent, logarithms (ln, log)

* Trigonometric functions sin π/2, cos 30°, ...

* Hyperbolic functions sinh, cosh, tanh, ... (hold "e" key to switch)

* Inverse functions (hold direct function key)

* Complex numbers, all functions support complex arguments

* Derivatives sin x' = cos x, ... (hold x^n key)

* Scientific notation (enable in menu)

* Percent mode

* Save/load history

GRAPHING CALCULATOR

* Multiple functions graphing

* Implicit functions up to 2nd degree (ellipse 2x^2+3y^2=1, etc.)

* Polar graphs (r=cos2θ)

* Parametric functions, enter each on new line (x=cos t, y=sin t)

* Function roots and critical points on a graph. Select the checkbox on the left from the function to show their coordinates on the graph, click the graph-button on the upper menu to display their coordinates as a list.

* Graph intersections (x^2=x+1)

* Tracing function values and slopes

* Scrollable and resizable graphs

* Pinch to zoom

* Fullscreen graphs in landscape orientation

* Function tables

* Save graphs as images

* Save tables as csv

FRACTION CALCULATOR

* Simple and complex fractions 1/2 + 1/3 = 5/6

* Mixed numbers, use space to enter values 3 1/2

ALGEBRA CALCULATOR

* Linear equations x+1=2 -> x=1

* Quadratic equations x^2-1=0 -> x=-1,1

* Approximate roots of higher polynomials

* Systems of linear equations, write one equation per line, x1+x2=1, x1-x2=2

* Polynomial long division

* Polynomial expansion, factoring

MATRIX CALCULATOR

* Matrix and vector operations

* Dot product (hold *), cross product

* Determinant, inverse, norm, transpose, trace

LIBRARY

* User defined constants and functions (PRO)

* Save/load expressions

## Mathway

Mathway

1

Bring the solving power of Mathway to your Android device, no network access required! Get free instant answers to your math problems, or subscribe to include step-by-step work and explanations. With hundreds of millions of problems already solved, Mathway is the #1 problem solving resource available for students, parents, and teachers.

Mathway solves problems in Basic Math, Pre-Algebra, Algebra, Trigonometry, Precalculus, Calculus, Statistics, Finite Math, Linear Algebra, and Chemistry.

Receiving answers on Mathway is completely free, but step-by-step solutions require payment.

Please take a moment to rate and review, we greatly appreciate your support!

Already a fan of Mathway? Like us on Facebook or follow us on Twitter/Google+ for all the latest updates:

▶ https://www.facebook.com/Mathway

▶ https://www.twitter.com/Mathway

▶ https://plus.google.com/+Mathway

## Linear Algebra Trove (Free)

[This is a free version of Linear Algebra Trove]

Linear Algebra is a critical part of mathematics. You need to get it right!

Being successful at first-year university mathematics (or final-year secondary level), requires a lot of practice.

It also helps to recognize that there are patterns that repeat themselves over and over in the kind of problems that you encounter at this level.

This app helps in these areas. You are given a large collection of typical Linear Algebra example problems. The problems are logically grouped by topic, and are interspersed with definitions and theorems, using wording that is as simple as possible to get the ideas across.

Full solutions are given for each problem, and in many places, when you would like to see more detail about how a part of the solution was obtained, all you have to do is expand that sub-problem to see the steps that were used.

## Linear Equation System Solver

GK Apps

1

This app is a free math calculator which is able to solve systems of linear equations.

You can solve:

-Systems of two variables and two equations

-Systems of three variables and two equations

-Systems of three variables and three equations

-Systems of four variables and two equations

-Systems of four variables and three equations

-Systems of four variables and four equations

-Systems of four variables and four equations

-Systems with n variables and m equations (more than 4)

Best mathematical tool for school and college! If you are a student, it will help you to learn linear algebra!

Note: Linear equation systems play an important role in engineering, physics, chemistry, computer science, and economics.

## Algebra Basics

Fun and easy way to understand the basic concepts and problems of pre-algebra. The app provides solutions for all practice and test questions. The questions and solutions are prepared by an experienced Math teacher.

Features of the app:

1) Order Of Operations Calculator

2) Identify algebraic expressions

a) Distinguish a coefficient from a constant

b) Identify terms

c) Identify Variables

3) Simplify expressions by combining like terms,applying multiplicative and distributive properties

4) Evaluate algebraic expression

5) Identify different properties in an algebraic expression

a) Commutative Property Multiplication

b) Associative Property Multiplication

c) Commutative Property Addition

d) Associative Property Addition

e) Distributive Property

6) Linear Equation (Exercise and Quiz)

All these features have lots and lots of exercises in Practice, Test and Quiz sessions

We have partnered with an experienced Math teacher for providing questions,solutions and suggestions for the app.

## Tiger Algebra Solver

Algebra Solver and calculator solves or simplifies many types of Algebra equations.

Shows Step by Step solutions.

Tiger Algebra currently handles :

Absolute Value Equations and Absolute Value Inequalities

Basic Techniques

Pulling Out Like Terms

Identifying Perfect Cubes

Canceling out

Reducing Fractions to Lowest Terms

Simplifying Radicals

Quadratic Equations

Solving by Completing The Square

Solving using the Quadratic Formula

Equations which are Reducible to Quadratic

Parabola Finding Vertex and X Intercepts

Fractions

Adding Subtracting Finding Least Common Multiple

Multiplying Fractions

Dividing Fractions

Exponents

Raising to a Power

Dividing Exponents

Multiplying Exponents

Sets of Linear Equations

Linear Equations with One Unknown

Linear Equations with Two Unknowns

Linear Equations with Three Unknowns

Linear Equations with Four Unknowns

Solving Linear Equations by Substitution

Properties of a Straight Line

Non Linear Equations and Approximation and Inequalities

Solving Radical Equations

Non Linear Equations

Approximation

de Moivre Formula

Linear Inequalities

Factorization

Factoring Multi Variable Polynomials

Factoring Binomials as Difference of Squares

Factoring Binomials as Sum or Difference of Cubes

Factoring Trinomials

Factoring Polynomials having more than 3 Terms

Other Factorizations

Polynomial Root Calculator

Polynomial Long Division

## Mathematics

daboApps

1

NOTE: use the SWIPE-TO-DELETE gesture to delete functions, equations, variables

- NEW: statistics (gaussian test, t test, binominal and normal distribution, standard deviation, average, sum, median)

- formula calculation with variables, sums, products and sequences

- solve equations (linear, quadratic, cubic, transpose)

- plot functions, derivate, integrate, calculate roots and extremas (polynomial, rational, exponential, etc)

- calculate tangent, asymptote, interception

- reconstruction: calculate f(x) by given roots, points or extremas

- f(x,y) plot in 3D

- factoring (Bézout's identity, Euler's totient function, least common multiple, greatest common divisor)

- modulo calculation with big integer and fractions

- differential and integral calculus

- curve sketching, limes, minima, maxima

- linear algebra, vectors, matrices

- unit conversion

- number systems, binary/oct/decimal/hex calculator

- complex number calculation

Supported languages:

English, German, Francais, Espanol, Italian, Portuguese

Mathematics is a powerful calculation software for your android smartphone.

FEATURES

Calculate any formula you want and show them in a 2d or 3d plot. The natural display shows fractions, roots and exponents as you would expect it from mathematics.

In a few seconds you derivate or integrate your desired function, calculate the zero points of your function und show them in the function plot. See all maxima, minima or inflection points in one view.

The easy way of use allows you to solve linear equations in just a moment. Or transform your mathematical, physical or chemical equation to any unknown variable.

You often needs to calculate with binary, octal or hexadecimal number systems? No problem! You can mix them together in one calculation even by using decimal digits. But that's not enough! You can also calculate with any other number system with base 2 to 18.

From time to time you may need to convert units to another one, like Celsius to Fahrenheit, miles to kilometre, inches to foot and so on.

You will also be able to calculate with vectors, matrices and determinants.

All this features are combined in this app and will make your mathematical life a lot easier.

## Matrix Operations Calculator

GK Apps

1

This free app is the best calculator for Matrix Operations.

You are able to calculate the Determinant of a Matrix, Inverse of a Matrix, Kernel of a Matrix, Rank of a Matrix, Eigenvalues and Eigenvectors of a Matrix.

You can calculate with:

- 2x2 matrices

- 3x3 matrices

- 4x4 matrices

- 5x5 matrices

- nxn matrices (with more than 5 rows and columns)

Very useful math tool for school and college! If you are a student, it will help you to learn linear algebra!

## Learn Algebra 2

ExEquals

1

The critically acclaimed sequel to the popular Learn Algebra app! Now you can learn the basic concepts of Algebra 2 with the same intuitive interface and effective lesson-problem-quicknotes format of the first app all for FREE. This application is perfect for those who have:

- Trouble paying attention in class

- Improper instruction

- General disinterest in math

Don’t worry! Come finals day, you’ll be prepared with our comprehensive algebra app. Our app features everything you’ll need to learn algebra, from an all-inclusive algebra textbook to a number of procedural problem generators to cement your knowledge.

- Trouble paying attention in class

- Improper instruction

- General disinterest in math

Don’t worry! Come finals day, you’ll be prepared with our comprehensive algebra app. Our app features everything you’ll need to learn algebra, from an all-inclusive algebra textbook to a number of procedural problem generators to cement your knowledge.

Features:

- Abridged algebra textbook, covering many aspects of the subject

- Procedural problem generators, ensuring you will not encounter the same problem twice

- Problem explanations, demonstrating step-by-step how to do each problem

- Quicknotes, reviewing entire chapters in minutes

- Intuitive graphing interface, teaching proper graphing methods

- Statistics tracking, helping you identify your weaknesses

Plus, new chapters are added all the time!

Subjects covered:

Ch. 1: Functions

1.1 Introduction to Functions

1.2 Operations with Functions

1.3 Absolute Value Functions

1.4 Piecewise Functions and Continuity

Ch. 2: Polynomials

2.0 Polynomials Review

2.1 Introduction to Rational Functions

2.2 Multiplying and Dividing Rational Functions

2.3 Adding and Subtracting Rational Functions

2.4 Solving Rational Equations

Ch. 3: Linear Systems

3.0 Linear Systems Review

3.1 Systems of Three Equations

3.2 Determinants and Cramer's Rule

3.3 Systems of Inequalities

Ch. 4: Exponentiation

4.0 Exponential Functions Review

4.1 Introduction to Logarithms

4.2 Solving Exponential and Logarithmic Functions

4.3 Models of Exponential Growth

Ch. 5: Conics

5.1 Parabolas

5.2 Circles

5.3 Ellipses

5.4 Hyperbolas

## Algebra Course Assistant

Taking algebra? Then you need the Wolfram Algebra Course Assistant. This definitive app for algebra--from the world leader in math software--will help you quickly solve your homework problems, ace your tests, and learn algebra concepts so you're prepared for your next courses. Forget canned examples! The Wolfram Algebra Course Assistant solves your specific algebra problems on the fly, often showing you how to work through the problem step by step.

This app covers the following topics applicable to Algebra I, Algebra II, and College Algebra:

- Evaluate any numeric expression or substitute a value for a variable.

- Simplify fractions, square roots, or any other expression.

- Solve a simple equation or a system of equations for specific variables.

- Plot basic, parametric, or polar plots of the function(s) of your choice.

- Expand any polynomial.

- Factor numeric expressions, polynomials, and symbolic expressions.

- Divide any two expressions.

- Find the partial fraction decomposition of rational expressions.

The Wolfram Algebra Course Assistant is powered by the Wolfram|Alpha computational knowledge engine and is created by Wolfram Research, makers of Mathematica—the world's leading software system for mathematical research and education.

The Wolfram Algebra Course Assistant draws on the computational power of Wolfram|Alpha's supercomputers over a 2G, 3G, 4G, or Wi-Fi connection.

## Algebra Cheat Sheet (Free)

Nuzedd

1

Algebra Cheat Sheet provides you with the quick reference of formulas in Algebra.

Topics include:

1. Basic Properties and Facts (includes properties of radicals, exponents, logarithms etc.,

2. Factoring and Solving equations

3. Methods of solving Linear Equations, Quadratic Equations, Solving equations with Square roots, Solving Equations with Absolute Values

4. Functions and graphs for parabola, eclipse, Hyperbola, circle etc.,

5. Common Algebraic Errors.

You can refer to this cheat sheet as a quick reference of algebraic formulas.

## The Fun Way to Learn Algebra

Teach your children the joys of learning algebra with Hands-On Equations 1 Lite – the fun, FREE algebra app for children as young as eight! With an intuitive visual interface, Hands-On Equations has proven itself to be the best algebra app for kids on the market. And now it is available for the Android app and phone.

“Hands-On Equations - Level 1 Lite is perfect for introducing algebra to students..” - www.educationworld.com

Algebra can be a tricky subject to master but with the help of Hands-On Equations 1 Lite, equations such as 4x+2=3x+9 become child’s play! In three easy lessons the young student obtains a feeling of success and a sense of mathematical power in solving sophisticated looking equations.

The original Hands-On Equations program, using physical game pieces, has already helped more than a million students gain confidence with algebra. Now that same, proven method is available virtually in the palm of your hand__ for FREE!

A short, helpful introductory video by Dr. Borenson, the inventor of Hands-On Equations, assures and encourages young students that algebra is fun and easy to master.

This FREE app gives students a taste of the same in-depth algebraic experience they will have with the paid version of Hands-On Equations 1.

This is how the App works:-

•The unknown X is represented by a blue pawn on the Android screen while the constants are represented by number cubes.

•In Lesson 1 the icons do not move. The student uses thinking or guess and check to solve the equations.

•Beginning with Lesson 2, the student places the game pieces on the balance scale to represent the two sides of the equation.

•Beginning with Lesson 3, the student simplifies the equation by removing pawns from the balance to solve for the unknown X.

•The student verifies his/her solution by resetting the problem to conduct the check.

•Feedback is provided to the student in the check phase of the problem.

•Simple touch features are used to move the pieces around.

•An expert instructional video is included for each lesson.

•An intuitive user interface makes the app easy to use.

Hands-On Equations 1 Lite is perfect for introducing algebra to kids (or adults) in an entertaining and fun way. The app will boost their self-esteem and give them the confidence to take on even more complicated equations! Download this FREE app today and see how much fun and how easy algebra can be!

For more information on Hands-On Equations, visit http://www.borenson.com.

For app support, send an email to info@borenson.com.

## Linear Algebra Course App

Studying linear algebra? Then you need the Wolfram Linear Algebra Course Assistant. This definitive app for linear algebra—from the world leader in math software--will help you work through your homework problems, ace your tests, and learn linear algebra concepts. Forget canned examples! The Wolfram Linear Algebra Course Assistant solves your specific algebra problems on the fly.

This app covers the following topics applicable to linear algebra:

- Solve an equation or a system of equations

- Add or subtract any two vectors

- Find the cross product or dot product for two vectors

- Find the dimensions, transpose, adjugate, rank, inverse, determinant, and reduced row echelon form of a matrix

- Calculate a matrix product

- Add and subtract matrices

- Compute linear transformations

- Determine subspaces, including row space, column space, and null space

- Find the characteristic equation, eigenvalues, and eigenvectors of a matrix

The Wolfram Linear Algebra Course Assistant is powered by the Wolfram|Alpha computational knowledge engine and is created by Wolfram Research, makers of Mathematica—the world's leading software system for mathematical research and education.

The Wolfram Linear Algebra Course Assistant draws on the computational power of Wolfram|Alpha's supercomputers over a 2G, 3G, 4G, or Wi-Fi connection.

# More from developer

## Linear Algebra PRO

The most powerful mathematical app!

Free “Step by step” for all functions.

OFFLINE: app does not require access to the internet.

Free “Step by step” for all functions.

OFFLINE: app does not require access to the internet.

ALL AVAILABLE FUNCTIONS:

---Matrix algebra---

[+] matrix addition

[+] inverse

[+] matrix multiplication

[+] multiplication by number

[+] matrix transposition

[+] find determinant (Gauss)

[+] definition of the rank

[+] find determinant (Minors)

[+] System Of Linear Equation (A)x=(B) (Gauss)

[+] System Of Linear Equation (A)x=(B) (Kramer)

[+] matrix equation (A)(X)=(B)

[+] matrix equation (X)(A)=(B)

[+] LU decomposition

[+] inverse matrix (Minors)

[+] matrix power

[+] eigenvalues

---Vector algebra---

[+] dot product

[+] length of vector

[+] cross product

[+] angle between vectors

[+] build vector by points

FEATURES:

[-] theory

[-] new functions (vector algebra)

[-] export to Maple, MathLab, Wolfram

[-] clipboard for cells

Download assistant for solving problems in areas such as: linear algebra, analysis, economics, differential equations and computer graphics.