He leido en algunas paginas de Universidades o Colleges que para ingresar a sus facultades se requiere math 11M or U, or 12C or U or skills assessment, or equivalent. Que es 11M o U o 12C o 12U ó 12M a que hace referencia?

Por ejemplo en el Centennial College en Toronto aparece en una de sus carreras esto :

Centennial College expects students applying for admission to degree programs to present at minimum: Ontario Secondary School Diploma (OSSD) with a minimum of six 12U, 12M, OAC credits or equivalent or be 19 years of age or older. Possession of minimum admission requirements does not guarantee admission to program.

Minimum Academic Prerequisites:
- English 12U

One from the following:
- math 12U Advanced Functions or equivalent
- math 12U Calculus and Vectors or equivalent
- math 12U Mathematics of Data Management or equivalent