[✨ Feature request]: Add LaTeX option for intermediate results.

[GerjanDorgelo]

Description

Add LaTeX option for intermediate results. Mostly useful for checks like these:

would be better as

Could be unity check (already implemented), could be partial written out results. whatever helps with presenting.

Acceptance Criteria

• alter LaTeX formula class
• alter template file
• alter at least one formula that could use the intermediate result

Dependencies

No response

Confirmation

• I have checked that this feature does not already exist in the issue tracker.
• I have read and understood the contribution guidelines.