don't delete previous graphs
x min  x max
y min  y max
Function f(x) (up to 5 functions may be entered simultaneously, separated from each other by semicolons):

don't delete previous graphs   
x min  x max          
y min  y max
Function f(x) (up to 5 functions may be entered simultaneously, separated from each other by semicolons):
Class Yearly Salary Avg
Minimum%
Gross Income $

Yearly
Monthly
Bi-Weekly
Weekly
Royalty/Tax%
Royalty/Tax$
Net$
 

Royalty%=Minimum% + (Max%-Minimum%) * (1 - e(-(Yearly Gross Income / Class Salary Avg / Factor)))
Factor = 5; Max% = 80;