Samiksha Garg

Results 3 issues of Samiksha Garg

## Related Issue - There was no matrices and determinant calculator, only the tag was available. Fixes: #502 #### Describe the changes you've made - I added the fully-functional determinant...

Add addition/subtraction calculator for matrices section under maths topic.

- [x] My submission is formatted according to the guidelines in the [contributing guide](/CONTRIBUTING.md) - [x] My addition is ordered alphabetically - [x] My submission has a useful description -...