HP 49G User Manual page 68

TRAN([[1,7][2,-3]
[[1,2][7,-3]]
TRIG
(
ln x +
TRIG(LN(X+i))
2
(
LN X
----------------------------------------------------------------------------- -
TRIGCOS
2
( )
sin x
1-68
)
i
 
1
) • •
-- -
+ 1 + 2 i ATAN
 
x
2
2
( )
+ cos x = 1
Command Reference: Part A (1.1)