Regardless of the base value of the step with the lever\( 1\) assumes a number equal to the given base:
On the degree of the figure with the lever \(0\) accept the number \(1\):
The exception is degree that doesn't make any sense.
Numbers \(1,\) stepping up to any degree is \(1.\)
Mathematics Handbook for Students / J. Mencis, A. Sika - Riga: The Star, 1990. pp. 96-98.