(Embarrased) Yes of course it is. And that's coming from someone who presumes to know operator precedence and despises programmers who use extra parens for no good reason.
K*(1/1 - uptime) = K/(1-uptime)
No. K(1/1 - uptime) = K(1-uptime)
If you are going to use brackets, use them correctly.
Good catch. I kept reading it as K*(1/(1-uptime)) and carelessly left it out.