Dr. Ma notes that "this arbitrary explanation doesn't contain any real mathematical meaning."

The word 'number' has no generally agreed upon mathematical meaning, nor does the word 'number system'.

There are a number of common mathematical meanings of the term digital sum:

But each has a precise mathematical meaning that seeks to isolate a specific aspect of acoustical quality in a hall.

Other uses of the "fifth dimension" are closer to its mathematical meaning.

Moreover, words such as open and field have been given specialized mathematical meanings.

These uses are abuses of the word's mathematical meaning.

In other words, the symbol " " has a specific and universal mathematical meaning, but just the "A" by itself does not.

It is intuitively clear how to translate such formulas into mathematical meaning.

(5) has only mathematical meaning, but in special experimental arrangements p can show up as a real pressure.