Heh, yes. Sorry - I was actually trying to fix this last night.
The artithmetic is absolutely fine - it's a bug in the float to string code. I was actually trying to fix this just yesterday, but I've added a bug for it to track it now: https://github.com/espruino/Espruino/issues/190
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.
Heh, yes. Sorry - I was actually trying to fix this last night.
The artithmetic is absolutely fine - it's a bug in the float to string code. I was actually trying to fix this just yesterday, but I've added a bug for it to track it now: https://github.com/espruino/Espruino/issues/190