Although the U.S. Bureau of Labor Statistics (BLS) does not provide information specific to the field of global marketing, the BLS did project that the employment of marketing managers will likely grow by about 12% between 2012 and 2022, a rate consistent with the average predicted for all occupations.
Divide the height of the staircase in inches by the intended rise of each step, also in inches, to assist in determining the stair stringer length. The riser height is up to you, though most building codes will not allow a height larger than 7 3/4 inches.
For Microsoft Excel, version 97 or later. If you've ever cut a stair stringer you know what a pain it is. There are multiple measurements and dimensions to consider. It's not really all that complicated, it's just a pain. And if you decide you want to change the number of treads in your design you have to calculate everything all over again.