HP 48gII Advanced User's Reference Manual page 253

Input/Output:
See also: C PX
Q
Type: Command
Description: To Quotient Command: Returns a rational form of the argument.
The rational result is a "best guess", since there might be more than one rational expression
consistent with the argument.
within the number of decimal places specified by the display format mode.
Q also acts on numbers that are part of algebraic expressions or equations.
„Ú
Access:
Flags: Number Display Format (-45 to -50)
Input/Output:
See also: Q , /
Q
Type: Command
Description: To Quotient Times Command: Returns a rational form of the argument, or a rational form of
the argument with
the smaller denominator.
The rational result is a "best guess", since there might be more than one rational expression
consistent with the argument.
the number of decimal places specified by the display format mode.
Q also acts on numbers that are part of algebraic expressions or equations.
For a complex argument, the real or imaginary part (or both) can have as a factor.
„Ú
Access:
Flags: Number Display Format (-45 to -50)
Input/Output:
See also: Q, /,
qr
Type: Command
Description: qr Factorization of a square Matrix Command: Returns the qr factorization of an n × n matrix.
Level 1/Argument 1
{ #n #m }
Q finds a quotient of integers that agrees with the argument to
L
REWRITE Q
Level 1/Argument 1
x
(x,y)
'symb '
1
square roots, natural logs, and exponentials factored out, whichever yields
Q finds a quotient of integers that agrees with the argument to
L
REWRITE Q
Level 1/Argument 1
x
x
'symb '
1
(x,y)
(x,y)
(Ú is the left-shift of the 6key).
(Ú is the left-shift of the 6key).
Full Command and Function Reference 3-135
Level 1/Item 1
(x,y)
Level 1/Item 1
'a/b'
'a/b + c/d*i'
'symb '
2
Level 1/Item 1
'a/b* '
'a/b'
'symb '
2
'a/b* + c/d* *i'
'a/b + c/d*i'