Math Bot
@linal_angem_bot
FreeRU
A Russian-language bot for university maths coursework: determinants, row echelon form and inverse matrices, truth tables, arithmetic modulo n, prime factorisation and the Euclidean algorithm. Open source.
Key features
- Determinant, row echelon form and inverse of a matrix
- Truth tables for logical expressions
- Idempotents, nilpotents and inverses modulo n
- Prime factorisation, GCD and Diophantine equations
- Expression calculator
What Math Bot does
Linear algebra and discrete maths are the first-year courses where one arithmetic slip ruins a long solution. This bot checks the mechanical part. /det computes a determinant, /ref brings a matrix to row echelon form and /m_inverse finds its inverse; /logic builds a truth table; /idempotents, /nilpotents and /inverse work with residues modulo n; /factorize splits a number into primes, /euclid finds the greatest common divisor and solves a Diophantine equation, and /calc evaluates expressions.
The code is published under GPL-2.0 by a small team of authors and was last updated in 2023. The interface is Russian and matrix size is limited. Use it to check your own steps rather than replace them: the bot gives the answer, and an exam asks for the working.
How to start
- Open @linal_angem_bot and press Start
- Pick a command on the keyboard or send /help
- Send the matrix, expression or number in one message
Commands
/detDeterminant of a matrix/refRow echelon form/m_inverseInverse matrix/logicTruth table/euclidGCD and a Diophantine equation/calcExpression calculatorPricing and limits
Free
Pros / Cons
- Covers typical first-year algebra and discrete maths tasks
- Free and open source
- A button to report a wrong result
- Russian interface only
- Matrix size is limited
- Code not updated since 2023
Alternatives
Score breakdown
| Criterion | Weight | Points | |
|---|---|---|---|
| Functionality | 25 | 7 / 10 | |
| Reliability & speed | 15 | 6 / 10 | |
| Popularity & trust | 15 | 3 / 10 | |
| Price & free tier | 10 | 10 / 10 | |
| Usability | 10 | 6 / 10 | |
| Safety & privacy | 10 | 9 / 10 | |
| Freshness | 5 | 3 / 10 | |
| Localization | 5 | 2 / 10 | |
| No intrusive ads | 5 | 9 / 10 | |
| Score | 100 | 62.5 |
FAQ
How do I enter a matrix?
In one message, with each row on its own line and the numbers separated by spaces. Only numbers are accepted, and every row must have the same length.
Can I trust the answers?
Check them as you would a classmate's. The code is open, and the help message has a button for reporting a wrong result.
Technical details
- Inline mode
- Mini App
- Works in groups
- Works in channels
- Accepts voice
- Accepts files
- Requires phone number
- Requires registration
- Shows ads
