Mathpad is a Computer Algebra System (CAS) or, simply put, a calculator on steroid. It is based on Nerdamer Nerdamer for the symbolic and numeric calculations and on function-plot for the 2D plotting

It consists of a sidebar, code block and inline block support.

The sidebar works as a stand-alone numeric and symbolic calculator that could also be used to copy the results as a dynamic code block, or as static LaTeX into Obsidian notes.

Code Blocks and Inline Code allows to insert computations and plotting inside Obsidian notes.

Here a preview of the sidebar:

And here a preview of Inline Code:

Also plotting:

Please read the Documentation for a full description.