What's the plural form of precalculation? Here's the word you're looking for.
Answer
The noun precalculation can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be precalculation.
However, in more specific contexts, the plural form can also be precalculations e.g. in reference to various types of precalculations
or a collection of precalculations.