* ''Goal'' -- Continue to improve multivariate power series, building on the work in #1956. Create the ability to work with different precision types for multivariate power series and laurent series. 
 * ''Type'' -- precision handling
 * ''Priority'' -- Medium-Low
 * ''Difficulty'' -- Medium-Hard
 * ''Prerequisites'' -- None
 * ''Background'' -- 
 * ''Contributors'' -- 
 * ''Progress'' - not started
 * ''Related Tickets'' -- 

== Discussion ==

We should have a discussion about what multivariable laurent series are, and what the right way to handle precision for them is.

== Tasks ==