This small library provides a standard set of environments for writing optimization problems. It automatically aligns the problems in three points with an optional fourth:

• beginning of the words minimize/argmin and subject to,

• the objective function and the longest left hand side of the constraints.

• the $=, |, >, |, <$ signs of the constraints.

• optionally, the user can add manually a double align character && to align some common constraints feature; a clear example could be the constraints names, e.g., boundary constraint alignment with dynamic constraint.

Furthermore, it provides an easy interface to define optimization problem for three different reference situations:

1. where no equation is referenced/numbered;

2. where the problem is referenced with a single number;

3. where each equation has an individual reference.

Finally, it also allows a definition of any optimization problem without a limitless number of constraints.