On 4/12/19 12:47 PM, Lassi Kortela wrote: > What's your opinion of having this in Kawa, or do you perhaps have it already? Kawa does have complex and quaternions (https://www.gnu.org/software/kawa/Quaternions.html) and numbers with units (https://www.gnu.org/software/kawa/Quantities.html). -- --Per Bothner xxxxxx@bothner.com http://per.bothner.com/