diff --git a/temperature_driver.lua b/temperature_driver.lua
index 6566f52..74245af 100644
--- a/temperature_driver.lua
+++ b/temperature_driver.lua
@@ -2,7 +2,7 @@
 local function getValue(reactor)
     local kelvin = reactor.getTemperature() or 0
     local fahrenheit = (kelvin - 273.15) * 9 / 5 + 32
-    return math.floor(fahrenheit * 100 + 0.5) / 100
+    return math.floor(fahrenheit * 10000 + 0.5) / 10000
 end
 
 local function color(reactor)
@@ -20,6 +20,6 @@ local function report(reactor, monitor)
         local color = color(reactor)
         monitor.setBackgroundColor(color)
         monitor.clearLine()
-        monitor.write("Temperature: " .. value .. "°F")
+        monitor.write("Temperature: " .. value .. "F")
 end
 return { report = report, watch = watch }
\ No newline at end of file