Random dudes compucraft BR monitor program

local reactor, lMon, rMon
reactor = peripheral.wrap("BigReactors-Reactor_0")
lMon = peripheral.wrap("left")
rMon = peripheral.wrap("right")

lMon.setTextScale(0.5)
rMon.setTextScale(0.5)
lMon.clear()
rMon.clear()

print("Running Reactor Monitor...")

function UpdateScreens(stored, lastTick, reactorOn, rods)
    local storedPerc
    storedPerc = math.floor((stored / 10000) * 100)

    lMon.clear()
    lMon.setCursorPos(1,1)
    lMon.write("Stored:")
    lMon.setCursorPos(1,2)
    lMon.write(stored .. "k " .. storedPerc .. "%")
    lMon.setCursorPos(1,3)
    lMon.write("Current:")
    lMon.setCursorPos(1,4)
    lMon.write(lastTick)

    rMon.clear()
    rMon.setCursorPos(1,1)
    rMon.write("Status:")
    rMon.setCursorPos(1,2)

    if reactorOn then
        rMon.write("Active")
    else
        rMon.write("Inactive")
    end

    rMon.setCursorPos(1,3)
    rMon.write("Rods:")
    rMon.setCursorPos(1,4)
    for k,v in pairs(rods) do
        rMon.write(v .. "% ")
    end
end

function PollReactor()
    local energyStored, energyLastTick, reactorOn, rods

    energyStored = math.floor(reactor.getEnergyStored() / 1000)
    energyLastTick = math.floor(reactor.getEnergyProducedLastTick())
    reactorOn = reactor.getActive()

    rods = {}
    rodCount = reactor.getNumberOfControlRods()

    for i=1,rodCount,1 do
        rods[i] = reactor.getControlRodLevel(i - 1)
    end

    UpdateScreens(energyStored, energyLastTick, reactorOn, rods)
end

while true do
    PollReactor()
    os.sleep(1)
end