Module:GoldMath

Documentation for this module may be created at Module:GoldMath/doc

local p = {}

function p.main(frame)
  local lvl    = tonumber(frame.args.lvl)      or error('no lvl dumbass')
  local multi  = tonumber(frame.args.multi)    or error('no multi dumbass')
  local spread = tonumber(frame.args.spread)    or 0
  local base   = 1.13

-- 
  local value  = base^(lvl - 1) * multi
  local lowVal  = value * (1 - spread)
  local highVal = value * (1 + spread)

  local lowRound  = math.floor(lowVal  + 0.5)
  local highRound = math.floor(highVal + 0.5)

  local out
  if lowRound == highRound then
    out = tostring(lowRound)
  else
    out = string.format("%d – %d",
      lowRound, highRound
    )
  end

  return out .. " "
end

return p