HP 49G User Manual page 376

UTPN
Level 3/Argument 1
1-376
1
( , , )
utpn m v x = -------------
2πv
≥
Level 2/Argument 2 Level 1/Argument 3
( ) 2
∞ t m –
------------------
–
∫ 2v
e t d
x
→
Command Reference: Part E T-Z (1.1)
Level 1/Item 1