# \#64bit

**URL:** https://forums.digi.com/tag/64bit/3789.md

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## [Rabbit 3000 64bit Integer math](https://forums.digi.com/t/rabbit-3000-64bit-integer-math/22624)

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**Author:** [@skeller](https://forums.digi.com/u/skeller)\
**Replies:** 3\
**Last updated:** [September 7, 2021, 2:00pm UTC](https://forums.digi.com/t/rabbit-3000-64bit-integer-math/22624 "2021-09-07T14:00:40Z")

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Many, many years ago on the old Rabbit-Semi yahoo group there was a partial library someone had written that supported basic 64bit integer math. I think it was called BigNum or something along those lines. Do any of yo…

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## [NET+OS printf 64bit number](https://forums.digi.com/t/net-os-printf-64bit-number/19661)

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**Author:** [@alevine](https://forums.digi.com/u/alevine)\
**Replies:** 2\
**Last updated:** [June 27, 2018, 1:12pm UTC](https://forums.digi.com/t/net-os-printf-64bit-number/19661 "2018-06-27T13:12:14Z")

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I am trying to use printf to output a 64bit value (as integer). I usually use %lld or %llu formatting specifiers for this case. However it seems the library for NET+OS (7.5) does not support 64 bit printing. Am I doin…