it means a number on top of the divide line.
operating income divide by top line
If you mean "altitude", and by that you mean the height of the top of the triangle above its base, then draw a line from the top of the triangle to the base, at right angles to the base, and measure that line. Alternately, the height of a triangle above its base is twice the area divided by the base length.
The lines and spaces on a staff are numbered from the bottom to the top. So the 5th line would be the top line.
In simple terms Top Line is Sales and Bottom Line is revenue or profit in IT industry or with respect to any industry.
That indicates that whatever digits are covered by the line keep repeating.
"divided by"
it means a number on top of the divide line.
What's My Line - 1950 1957-05-05 was released on: USA: 5 May 1957
10 on Top - 2010 2012-05-05 was released on: USA: 5 May 2012
It is just the top of the line upscale model.
Sittin' on Top of the World - album - was created on 1998-05-05.
It is just Honda's designation for their top of the line model.
top
If you mean points of: (0, 5) and (10, 0) then the slope is -1/2
No Line on the Horizon was created in 2020-05.
Man on the Line was created in 1984-05.