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Name
DELAY
Specifies how many seconds the HP 49 waits between
sending lines of information to the printer.
DELKEYS
Clears user-defined key assignments.
DEPND
Specifies the dependent variable (and its plotting range
for TRUTH plots).
DEPTH
Returns a real number representing the number of
objects present on the stack (before DEPTH was
executed).
DERIV
Returns the partial derivatives of a function, with respect
to the specified variables.*
DERVX
Returns the derivative of a function with respect to the
current variable.*
DESOLVE
Solves certain first-order ordinary differential equations
with respect to the current variable.
DET
Returns the determinant of a square matrix.
DETACH
Detaches the library with the specified number from the
current directory.
→DIAG
Returns a vector that contains the major diagonal
elements of a matrix.
Description
N
Access
Inputs
N
N
STACK
<N
DERIV
<$
AND INTEG
DERIV
<$
AND INTEG
<&
N
< %
OPERATIONS
<%
CREATE
* = function
Outputs
x
delay
x
key
' global ' →
→ n
' z → ' symb
' symb
'
1
2
' → ' symb
' symb
'
1
2
' → ' symb
' symb
' ' symb
'
1
2
3
[[ matrix ]] → x
determinant
n
library
[[ matrix ]] → [ vector ]
diagonals

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