HP 50g User's Reference Manual
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Brand: HP
Category: Calculator
Type: Advanced user's reference manual
Model: HP 48gII , HP 49g+ , HP 50G
Pages: 693
3-18 Full Command and Function Reference
The principal branch used by the calculator for ASINH was chosen because it is analytic in the
regions where the arguments of the real-valued function are defined. The branch cut for the
complex-valued ASINH function occurs where the corresponding real-valued function is
undefined. The principal branch also preserves most of the important symmetries.
The graph for ASINH can be found from the graph for ASIN (see ASIN) and the relationship
asinh z = –i asin iz.
Access: …Ñ
HYPERBOLIC ASINH
(Ñ is the right-shift of the 8key).
Flags: Principal Solution (–1), Numerical Results (–3)
Input/Output:
Level 1/Argument 1 Level 1/Item 1
z
→
asinh z
'symb'
→
'ASINH(symb)'
See also: ACOSH, ATANH, ISOL, SINH
ASN
Type: Command
Description: Assign Command: Defines a single key on the user keyboard by assigning the given object to the
key x
key
, which is specified as rc.pf.
The argument x
key
is a real number rc.pf specifying the key by its row number r, column number c,
shift plane p and shift-and-hold flag f. A value of f=0 represents a normal shifted key assignment
(where the shift is released prior to pressing the key); whereby f=1 corresponds to a shift-and-
hold key assignment indicated by “&” in the table below (where the shift is held while pressing
the key). The legal values for p and f are as follows:
Value of
.pf
Shift
Value
of .pf
Shift
.00 or .10 Unshifted [key]
.20
!
(left-shifted) [key] .21
!
& [key]
.30
…
(right-shifted) [key] .31
…
& [key]
.40
~
(alpha-shifted) [key] .41
~
& [key]
.50
~!
(alpha left-shifted) [key] .51
~!
& [key]
.60
~…
(alpha right-shifted) [key] .61
~…
& [key]
Once ASN has been executed, pressing a given key in User or 1-User mode executes the user-
assigned object. The user key assignment remains in effect until the assignment is altered by ASN,
STOKEYS, or DELKEYS. Keys without user assignments maintain their standard definitions.
If the argument obj is the name SKEY, then the specified key is restored to its standard key
assignment on the user keyboard. This is meaningful only when all standard key assignments had
been suppressed (for the user keyboard) by the command S DELKEYS (see DELKEYS).
To make multiple key assignments simultaneously, use STOKEYS. To delete key assignments, use
DELKEYS.