# Linear Algebra QCard — Master Linear Algebra Fast

> Master Linear Algebra Fast (iPhone/iPad app by Lihui Luo.)

- Source: https://appshunter.io/ios/app/linear-algebra-qcard/id6520382961 (this page in markdown: same URL + `.md`)
- Developer: [Lihui Luo](https://appshunter.io/developer/1755953267)
- Category: Education
- Price: $2.99 with in-app purchases
- Age rating: 4+
- Requires: iOS 12.0 · 23 MB
- Languages: English
- Released: 2024-07-08
- Data updated: 2026-07-24
- User reviews in markdown: https://appshunter.io/ios/app/linear-algebra-qcard/id6520382961/reviews.md

## What is Linear Algebra QCard?

This app covers the essential elements of Linear Algebra. With 109 flashcards organized into nine chapters, it systematically presents formulas and concepts with practical examples, enabling you to quickly master all the fundamental principles within a short period of time.

Table of Contents
1)  Matrix Basics
2)  Vector Space and Basis
3)  Determinant, Eigenvalue and Eigenvector
4)  Vectors
5)  Important Matrices
6)  Gaussian Elimination
7)  Gram-Schmidt Process
8)  Inverse, Diagonalization, and SVD (Singular Value Decomposition)
9)  Systems of Linear Equations


Features:
1) Concept Illustration With Practical Examples
The app's flashcards are designed to clearly illustrate concepts with practical examples of their use. This approach helps eliminate any confusion, ensuring that you fully grasp each concept.

2) Personalized Audio Recording
The app features an audio button on each flashcard, enabling you to record your personal explanations and insights on the material. This is ideal for verbalizing your understanding for self-assessment and is a great tool for reviewing and tracking your learning progress.

3) Interconnected Learning
The app's embedded link structure promotes a continuous learning cycle. Each advanced concept links directly to its foundational components, which may further link to related basic terms. This interconnected approach ensures that users can easily cycle through key concepts, building a strong understanding from the basics up, with each card reinforcing and expanding upon core principles.

Features
- Well-structured flashcards with key concepts and formulas
- Concrete example for each concept detailing its use
- Embedded links within flashcards on technical terms that provide direct access to earlier cards with further explanations of that concept.
- Audio button to record your flashcard-specific explanations for initial comparison and future review
- Table of Contents button to easily move from one topic to another

To help you for your study on linear algebra!

If you encounter any issues or have any questions, please email us at info@linearalgqcard.com, or visit our website: https://www.linearalgqcard.com.

Marketing: https://www.linearalgqcard.com/
Privacy Policy: https://www.linearalgqcard.com/privacy_policy
Terms of use: https://www.linearalgqcard.com/terms_of_use

## Pricing and in-app purchases

Base price: $2.99.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock Full Version | $3.99 | one-time |



## Version history (last 5 releases)

### 1.31 — 2024-12-02

Disabled in-app purchases

### 1.3 — 2024-11-18

Added bookmark, finished, and number of visits features and fixed some iOS visual bugs and appearances.

### 1.2 — 2024-08-22

Added an in-app purchase and restore purchase button and made the app free to download. Also improved the audio purpose string.

### 1.1 — 2024-07-09

Updated the app name

### 1.0 — 2024-07-08

No release notes.

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## More apps by Lihui Luo

- [University Cards 2024-2025](https://appshunter.io/ios/app/university-cards-2024-2025/id6730112078)

All apps by Lihui Luo: https://appshunter.io/developer/1755953267

## Related topics

[linear algebra qcard](https://appshunter.io/ios/topics/linear-algebra-qcard)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-24.*