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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.
@Gordon
I think it's a combination... When I was starting off (3 or so years back) I couldn't get floating point working, so I just disabled it because pretty much everything in Espruino is 64 bit. It might just have been a matter of powering up the FPU, but I didn't know that then :)
It might be that enabling it does really help (code size or speed) though, in which case it would be good to turn on properly.