There are various notations used to represent word length and radix point in a binary fixed-point number.
From the en.wikipedia.org
A decimal data type could be implemented as either a floating-point number or as a fixed-point number.
From the en.wikipedia.org
A fixed-point number represents a limited-precision rational number that may have a fractional part.
From the en.wikipedia.org
Though a fixed number of bytes per code point appears convenient, it is not as useful as it appears.
From the en.wikipedia.org
The year 2002 was a turning-point for the telephone when the number of mobile phones took over fixed-line ones.
From the economist.com
For a simple system with a fixed number of particles, any point on the graph will represent a particular state of the system.
From the en.wikipedia.org
One interesting approach would be to base graduation on total grade points as opposed to a grade-point average, in a fixed number of courses.
From the sfgate.com
For instance, the result of fixed point multiplication could potentially have as many bits as the sum of the number of bits in the two operands.
From the en.wikipedia.org
Such departments often have a fixed number of firefighters on staff at any given point in time, which sometimes equals the minimal numbers recommended.