Request for Language: Omnifix math language

Let's have a simple numeric DSL that supports prefix/infix/postfix all at the same time.

Potentially could use blank lines to separate calculations.
Should perform calculations on vectors and/or matrices.
Perhaps if there's an operator on a line than the line is treated as a vector
If a line is just numbers it's treated as a matrix perhaps, and the search is on for an adjacent or parent/child operator for performing an op on the matrix (should have operators for common matrix operations)

a rough example:
```
3 32 2 3 +

2
2
32
23
+

20 21 23
32 12 32
23 32 1
```

The issue names no files, tests, or implementation entry points; start by reviewing the archived repository contents and the proposed syntax in the issue. Clarify the prefix, infix, postfix, blank-line, vector, and matrix semantics before implementation; done would require an agreed language design and supporting tests.

Written by the indexing model from the issue text.