local function txt(x,y,t)
    term.clear()
    term.setCursorPos(x,y)
    write(t)
end

txt(1,1,"X: ")
local x=read()

txt(1,1,"Mean: ")
local u=read()

txt(1,1,"Standard Deviation: ")
local sDev =read()

local pi = math.pi
local e = 2.718281828

local result = ((1)/(sDev*math.sqrt(2*pi)*e))^(-0.5*(((x-u)/sDev)^2))

txt(1,1,"val: "..result)