HP 49G Pocket Manual page 76

Name
WSLOG Returns four strings recording the date, time, and cause of
the four most recent warmstart events.
ΣX
Sums the values in the independent-variable column of
the current statistical matrix (reserved variable Σ DAT ).
ΣX2
Sums the squares of the values in the independent-
variable column of the current statistical matrix.
XCOL Specifies the independent-variable column of the current
statistics matrix (reserved variable Σ DAT ).
XGET Retrieves a file by XMODEM from another calculator.
XMIT Sends a string serially without using Kermit and then
indicates whether the transmission was successful.
XNUM Converts an object or a list of objects to approximate
numeric format.
XOR Returns the logical exclusive OR of two arguments.*
XPON Returns the exponent of the argument.*
XPUT Sends a file by XMODEM to another calculator.
XQ Converts a number, or a list of numbers in decimal format,
to rational format.
XRECV Prepares the HP 49 to receive an object via XModem.*
Description Access Inputs
N
N
N
N
N
N
N
LOGIC
>ì
N
REAL
< P
N
* = function
Outputs
→ "log
" ... "log "
4 1
→ x
sum
→ x
sum
→
n
col
' name ' →
" string " → 1
→ obj
obj
1
2
→ #n
#n #n
1 2
3
x → n
expon
' name ' →
→ z
z
1
2
' name ' →