Reference Guide

3-192 Full Command and Function Reference
Input/Output:
Level 2/Argument 1 Level 1/Argument 2 Level 1/Item 1
z
1
z
2
→
z
1
/z
2
[ array ] {[ matrix ]]
→
[[ array × matrix
–1
]]
[ array ] z
→
[ array/z ]
z 'symb'
→
'z/symb'
'symb' z
→
'symb/z'
'symb
1
' 'symb
2
'
→
'symb
1
/symb
2
'
#n
1
n
2
→
#n
3
n
1
#n
2
→
#n
3
#n
1
#n
2
→
#n
3
x_unit
1
y_unit
2
→
(x/y)_unit
1
/unit
2
x y_unit
→
(x/y)_1/unit
x_unit y
→
(x/y)_unit
'symb' x_unit
→
'symb/x_unit'
x_unit 'symb'
→
'x_unit/symb'
See also: /
RCEQ
Type: Command
Description: Recall from EQ Command: Returns the unevaluated contents of the reserved variable EQ from
the current directory.
To recall the contents of EQ from a parent directory (when EQ doesn’t exist in the current
directory) evaluate the name EQ.
Access: …µ RCEQ (or … EQ after pressing J)
Input/Output:
Level 1/Argument 1 Level 1/Item 1
→
obj
EQ
See also: STEQ
RCI
Type: Command
Description: Multiply Row by Constant Command: Multiplies row n of a matrix (or element n of a vector) by a
constant x
factor
, and returns the modified matrix.
RCI rounds the row number to the nearest integer, and treats vector arguments as column
vectors.
Access: !Ø CREATE ROW RCI ( Ø is the left-shift of the 5key).
!´ MATRIX ROW RCI ( ´ is the left-shift of the Pkey).
Input/Output:
Level 3/Argument 1 Level 2/Argument 2 Level 1/Argument 3 Level 1/Item 1
[[ matrix ]]
1
x
factor
n
row number
→
[[ matrix ]]
3
[ vector ]
1
x
factor
n
element number
→
[ vector ]
2
See also: RCIJ
RCIJ
Type: Command
Description: Add Multiplied Row Command: Multiplies row i of a matrix by a constant x
factor
, adds this
product to row j of the matrix, and returns the modified matrix; or multiplies element i of a vector