p.11 'The STM32F411xC/xE operate in the –40 to +105 °C temperature range'
p.32 3.30 Temperature sensor - Variation in internal temperature
Also note:
http://www.espruino.com/Reference#l_E_getTemperature
'Note: This is not entirely accurate and varies by a few degrees from chip to chip. It measures the die temperature, so when connected to USB it could be reading 10 over degrees C above ambient temperature.'
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Okay, thanks that clears that up. re: 'E.getTemperature( )'
Also note: