Cas Functions On The Math Menu; Algebra Menu; Complex Menu - HP 40gs User Manual

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CAS Functions on the MATH menu

Algebra menu

Complex menu

i
ABS
ARG
CONJ
DROITE
Computer Algebra System (CAS)
When you are in the
Equation Writer and press
, a menu of
additional CAS functions
available to you is
displayed. Many of the
functions in this menu
match the functions available from the soft-key menus in
the Equation Writer; but there are other functions that are
only available from this menu. This section describes CAS
functions that are available when you press
Equation Writer (grouped by main menu name).
All the functions on this menu are also available on the
menu in the Equation Writer. See "ALGB menu"
on page 14-10 for a description of these functions.
1 –
Inserts i (=
).
Determines the absolute value of the argument.
Example
Typing ABS(7 + 4i) yields
See "ARG" on page 13-7.
See "CONJ" on page 13-7.
DROITE returns the equation of the line through the
Cartesian points, z
and z
, as arguments.
2
Example
Typing:
DROITE((1, 2), (0, 1))
or:
DROITE(1 + 2·i, i)
65
, as does ABS(7 – 4i).
, z
. It takes two complex numbers, z
1
2
in the
1
14-45

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