Rnd; Rnrm - HP 48gII Advanced User's Reference Manual

Input/Output:
See also: RL, RR, RRB

RND

Type: Function
Description: Round Function: Rounds an object to a specified number of decimal places or significant digits,
or to fit the current display format.
n (or symb
round
For complex numbers and arrays, each real number element is rounded. For unit objects, the
numerical part of the object is rounded.
!´
Access:
Flags: Numerical Results (-3)
Input/Output:
See also: TRNC

RNRM

Type: Command
Description: Row Norm Command: Returns the row norm (infinity norm) of its argument array.
The row norm is the maximum (over all rows) of the sums of the absolute values of all elements
in each row. For a vector, the row norm is the largest absolute value of any of its elements.
!Ø
Access:
!´
Input/Output:
See also: CNRM, CROSS, DET, DOT
Level 1/Argument 1
#n
1
if flag –3 is set) controls how the level 2 argument is rounded, as follows:
round
n or symb
round round
0 through 11 Rounded to n decimal places.
–1 through –11 Rounded to n significant digits.
12 Rounded to the current display format.
LL
REAL RND
Level 2/Argument 1 Level 1/Argument 2
z
1
z
'symb'
'symb '
1
[ array ]
1
x_unit
x_unit
L
OPERATIONS RNRM
MATRIX NORMALIZE RNRM
Level 1/Argument 1
[ array ]
Effect on Level 2 Argument
( ´ is the left-shift of the Pkey).
n
round
'symb '
round
n
round
'symb '
round
n
round
n
round
'symb '
round
( Ø is the left-shift of the 5key).
( ´ is the left-shift of the Pkey).
Full Command and Function Reference 3-149
Level 1/Item 1
#n
2
Level 1/Item 1
z
2
'RND(symb )'
round
'RND(symb,n )'
round
'RND('symb , symb )'
1 round
[ array ]
2
y_unit
'RND(x_unit, symb )'
round
Level 1/Item 1
x
row norm