https://www.wolframalpha.com/input/?i=2.15013 https://www.wolframalpha.com/input/?i=2.15013 It's there as one of "Possible closed forms". it's there even for

https://www.wolframalpha.com/input/?i=2.15013 https://www.wolframalpha.com/input/?i=2.15013 It's there as one of "Possible closed forms". it's there even for 0.4323 but further down, you need to request more closed forms.