I can confirm this bug. I'm running Kubuntu 8.04 and I get the same 'unknown function' error when I tried using exp and log. I tried sin and cos too to see if it was a syntax error on my part, but they also failed.
I can confirm this bug. I'm running Kubuntu 8.04 and I get the same 'unknown function' error when I tried using exp and log. I tried sin and cos too to see if it was a syntax error on my part, but they also failed.