local mon = peripheral.find("monitor")
local core = peripheral.find("draconic_rf_storage")
local energyStored = core.getEnergyStored()
local energyMax = core.getMaxEnergyStored()
local function round(num, idp)
    local mult = 10^(idp or 0)
    return math.floor(num * mult + 0.5) / mult
end

    mon.clear()

    if energyStored < 1000 then
        mon.write(energyStored)
    elseif energyStored < 1000000 then
        mon.write(round((energyStored/1000),1))
        mon.write("k")
    elseif energyStored < 1000000000 then
        mon.write(round((energyStored/1000000),1))
        mon.write("M")
    elseif energyStored < 1000000000000 then
        mon.write(round((energyStored/1000000000),1))
        mon.write("G")
    elseif energyStored < 1000000000000000 then
        mon.write(round((energyStored/1000000000000),1))
        mon.write("T")
    elseif energyStored < 1000000000000000000 then
        mon.write(round((energyStored/1000000000000000),1))
        mon.write("P")
    elseif energyStored < 1000000000000000000000 then
        mon.write(round((energyStored/1000000000000000000),1))
        mon.write("E")
    end
    mon.write("RF")

    mon.write(" sur ")

    if energyMax < 1000 then
        mon.write(energyMax)
    elseif energyMax < 1000000 then
        mon.write(round((energyMax/1000),1))
        mon.write("k")
    elseif energyMax < 1000000000 then
        mon.write(round((energyMax/1000000),1))
        mon.write("M")
    elseif energyMax < 1000000000000 then
        mon.write(round((energyMax/1000000000),1))
        mon.write("G")
    elseif energyMax < 1000000000000000 then
        mon.write(round((energyMax/1000000000000),1))
        mon.write("T")
    elseif energyMax < 1000000000000000000 then
        mon.write(round((energyMax/1000000000000000 ),1))
        mon.write("P")
    elseif energyMax < 1000000000000000000000 then
        mon.write(round((energyMax/1000000000000000000),1))
        mon.write("E")
    end
    mon.write("RF")

    mon.setCursorPos(1,3)

    term.redirect(mon)

    paintutils.drawFilledBox(2, 3.7, 25, 4.7, colors.lightGray)