[ Matrix Calculator ]

App Store

Thirty-five years ago when I was a student at Texas A&M, we had to solve linear algebra problems by hand [...] Sometimes the professor could only give us no more than four problems on a test because of the time it would take to invert even a 3x3 matrix — and one little sign error on the matrix inversion could totally mess up your solution. This app is simple to use and gives instant results.

Rational numbers and decimals

The app uses fractions as default, but you can select to display decimals. Go to system app - Settings and find [ Matrix Calculator ] and move the slider to activate decimal representation or simply long press the '/' or ',' button.

Landscape (available in PRO)

With the horizontal view we added new operations such as sum, subtract and power of a matrix.

Copy & paste

The app allows you to store in the memory unlimited number of matrices. To copy a matrice make a long press gesture on the desired matrix. To paste it you need to make a long press gesture on the screen before starting a new matrix (e.g. after pressing multiplication)

Unlimited matrix size

You can create a matrix of any size. If the matrix is bigger than the screen you can move it with your finger. The expression on the screen are totally movable!

Day/night mode

We have prepared two color themes - light - which is set as default and dark for those who prefer to work during the night. If you are using iOS 13+, automatic changes between the appearance modes will occur according to the system setting. You can also choose theme while force touching the icon on the home screen.

Transparent mode (available in PRO)

We have noticed that is not comfortable to copy from a book after looking at the device's screen. That is why we prepared Transparent mode. It allows to focus the sight just on one thing - the screen - as the app become transparent. It is now possible to watch the book and screen at the same time. To start Transparent mode tap the button on the upper left corner.

Gesture support

Besides the provided buttons to add a row or column we also made possible to perform this actions - adding a row/column - by swiping a finger across the keyboard down or right. The app supports all 4 directions of swiping, to move backwards simply swipe left or up.

Large number support with repeating detection

The calculator supports large numbers. Moreover, in the decimal representation we implemented automatic detection of a number whose digits are periodic (1/3 is 0.(3))

Privacy Policy

appassion built the [ Matrix Calculator ] app as an Ad Supported app. This SERVICE is provided by appassion at no cost and is intended for use as is.

This page is used to inform visitors regarding my policies with the collection, use, and disclosure of Personal Information if anyone decided to use my Service.

If you choose to use my Service, then you agree to the collection and use of information in relation to this policy. The Personal Information that I collect is used for providing and improving the Service. I will not use or share your information with anyone except as described in this Privacy Policy.

The terms used in this Privacy Policy have the same meanings as in our Terms and Conditions, which are accessible at [ Matrix Calculator ] unless otherwise defined in this Privacy Policy.

Information Collection and Use

For a better experience, while using our Service, I may require you to provide us with certain personally identifiable information, including but not limited to advertising ID. The information that I request will be retained on your device and is not collected by me in any way.

The app does use third-party services that may collect information used to identify you.

Link to the privacy policy of third-party service providers used by the app

Log Data

I want to inform you that whenever you use my Service, in a case of an error in the app I collect data and information (through third-party products) on your phone called Log Data. This Log Data may include information such as your device Internet Protocol (“IP”) address, device name, operating system version, the configuration of the app when utilizing my Service, the time and date of your use of the Service, and other statistics.

Cookies

Cookies are files with a small amount of data that are commonly used as anonymous unique identifiers. These are sent to your browser from the websites that you visit and are stored on your device's internal memory.

This Service does not use these “cookies” explicitly. However, the app may use third-party code and libraries that use “cookies” to collect information and improve their services. You have the option to either accept or refuse these cookies and know when a cookie is being sent to your device. If you choose to refuse our cookies, you may not be able to use some portions of this Service.

Service Providers

I may employ third-party companies and individuals due to the following reasons:

To facilitate our Service;
To provide the Service on our behalf;
To perform Service-related services; or
To assist us in analyzing how our Service is used.

I want to inform users of this Service that these third parties have access to their Personal Information. The reason is to perform the tasks assigned to them on our behalf. However, they are obligated not to disclose or use the information for any other purpose.

Security

I value your trust in providing us your Personal Information, thus we are striving to use commercially acceptable means of protecting it. But remember that no method of transmission over the internet, or method of electronic storage is 100% secure and reliable, and I cannot guarantee its absolute security.

Links to Other Sites

This Service may contain links to other sites. If you click on a third-party link, you will be directed to that site. Note that these external sites are not operated by me. Therefore, I strongly advise you to review the Privacy Policy of these websites. I have no control over and assume no responsibility for the content, privacy policies, or practices of any third-party sites or services.

Children’s Privacy

These Services do not address anyone under the age of 13. I do not knowingly collect personally identifiable information from children under 13 years of age. In the case I discover that a child under 13 has provided me with personal information, I immediately delete this from our servers. If you are a parent or guardian and you are aware that your child has provided us with personal information, please contact me so that I will be able to do the necessary actions.

Changes to This Privacy Policy

I may update our Privacy Policy from time to time. Thus, you are advised to review this page periodically for any changes. I will notify you of any changes by posting the new Privacy Policy on this page.

This policy is effective as of 2022-08-21

Contact Us

If you have any questions or suggestions about my Privacy Policy, do not hesitate to contact us via form.