HP HP-15C, Owner'S Handbook Manual

Page: 262 / 288

262
Function Summary and Index
=
Turns the
calculator's display on
and off
(page 18) . It is
also used in resetting
Continuous Memory
(page 63) , changing the
digit separator (page
61) , and in various tests
of the calculator's
operation
(pages 261) .
Complex
Functions
}
Real exchange
imaginary. Activates
Complex mode
(establishing an
imaginary stack) and
exchanges the real and
imaginary X-registers
(page 124) .
V
Used to enter
complex numbers.
Activates Complex
mode (establishing an
imaginary stack)
(page 121) . Also used
with
m
to indirectly
dimension matrices
(page 174) . (For Index
register functions, refer
to Index Register
Control keys,
page 263 .)
%
Displays
the contents of the
imaginary X-register
while the key is held
(page 124) .
F
8 Sets flag 8,
which activates
Complex mode
(page 121) .
"
8 Clears flag 8,
deactivating Complex
mode
(page 121) .
Conversions
;
Converts polar
magnitude r and angle
θ
in X- and Y-registers
respectively to
rectangular
x - and y -
coordinates (page 31) .
For operation in
Complex mode, refer to
page 134 .
:
Converts x, y
rectangular coordinates
placed in X- and Y-
registers respectively to
polar magnitude
r and
angle
θ
(page 30) . For
operation in Complex
mode, refer to
page 134 .
h
Converts
decimal hours (or
degrees) to hours,
minutes, seconds (or
degrees, minutes,
seconds)
(page 27) .
À
Converts hours,
minutes, seconds (or
degrees, minutes,
seconds) to decimal
hours (or degrees)
(page
27) .
r
Converts
degrees to radians
(page 27) .
d
Converts
radians to degrees (page
27) .
Digit Entry
v
Enters a copy
of number in X-register
(display) into Y-register;
used to separate multiple
number entries
(pages
22, 37) .
“
Change sign of
number or exponent of
10 in display
(pages 19,
124) .