local mon = peripheral.find("monitor")
local core = peripheral.find("draconic_rf_storage")
local energyStored = core.getEnergyStored()
local function round(n)
    return n % 1 >= 0.5 and math.ceil(n) or math.floor(n)
end

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