HP 15c Manual

  
 
271 
Subject Index 
Page numbers in bold type indicate primary references; page numbers in 
regular type indicate secondary references. 
A ___________________________________________  
Abbreviated key sequences, 78 
Absolute value (a ), 24 
Allocating memory, 42, 213-219 
Altering program lines, 83 
Annunciators, 
complex, 121 
list of, 60 
PRGM, 32, 66 
trigonometric, 26 
Antilogarithms, common and natural, 28 
Arithmetic operation, 29, 37 
Asymptotes, horizontal, 230 
Automatic incrementing of row...

272 Subject Index 
 
in matrices, 177 
“, 19 
Clearing 
blinking in display, 100 
complex numbers, 125-127 
display, 21 
memory, 63 
operations, 20-21 
overflow condition, 45, 61 
prefix keys, 19 
statistics registers, 49 
Coefficient matrix, 156 
Combinations function (c), 47 
Common pool, 213 
Complex arithmetic example, 132 
Complex conjugate, forming, 125 
Complex matrix, 
inverting, 162, 164, 165 
multiplying, 162, 164, 166 
storing elements, 161 
transforming, 162, 164 
Complex mode, 120-121...

 Subject Index 273 
 
 
Continuous Memory, 
duration of, 62 
resetting (clearing), 63 
what it retains, 43, 48, 58, 61, 62 
Conventions, handbook, 18 
Conversions, 
degrees and radians, 27 
polar and rectangular coordinates, 30-31 
time and angle, 26-27 
Correcting accumulated statistics data, 52 
Correlation coefficient, find the (j), 55-56 
\,{, 26 
Counters in program loops, 98, 112-114 
Crocus example, 43 
Cumulative calculations, 41 
D ___________________________________________  
Data storage, 42...

274 Subject Index 
 
s 109-111, 112, 116 
E ___________________________________________  
‛, 19 
Electrical circuit example, 169-171 
Enabling stack lift, 36 
^, 59 
Engineering notation, 59 
v, 12, 33-34, 36 
effect on digit entry, 22, 29 
effect on stack movement, 37, 41 
Entering data for statistical analysis, 49 
Error 
conditions, 205-208 
display, 61 
stops, 78 
Errors, 
with f, 203-204 
with _, 187, 192, 193 
Euclidean norm (See Frobenius norm) 
Exchanging the real and imaginary stacks, 124...

 Subject Index 275 
 
 
G ___________________________________________  
|, 18 
Gamma function (!), 25 
g, 26 
G, 101 
t, 90, 97, 98 
t “, 82 
H ___________________________________________  
Horners Method, 79, 181 Hyperbolic 
functions, 28 
I ____________________________________________  
Imaginary stack, 
clearing the, 124 
creation of, 121-123, 133 
display of, 124 
stack lift of, 124 
Index register 
arithmetic, 108, 112 
display format control, 109, 114, 115, 116 
exchange with X-register, 108, 112...

276 Subject Index 
 
uncertainty in, 202-203, 240-244, 245-249 
Interchanging functions (See User mode) 
Interference, radio and television, 271 
Intermediate results, 22, 38 
Interpolation, using j, 57 
I, 109-111, 116 
Iterations using I and s, 111 
K ___________________________________________  
Keycodes, 74-75 
Keying in 
chain calculations, 22 
exponents, 19-20 
one-number functions, 22 
two-number functions, 22, 29 
L ____________________________________________  
Labels, 67, 77, 90, 97 
LAST X...

 Subject Index 277 
 
 
dimensioning, 140, 142, 142, 174 
dimensions, displaying, 142, 147 
equation, complex, 168 
memory, 140, 171 
name (See Matrix descriptors) 
partitioned, 161, 164 
Matrix elements, 
accessing individually, 145-147 
displaying, 144 
storing and recalling, 143-144, 147, 149, 176 
Matrix functions, 
using RI, 173-174 
using registers, 173 
arithmetic, 153 
conditional, 177 
inverse, 150, 154 
multiplication, 154 
one-matrix, 149-151 
programmed, 176-177 
reciprocal, 150 
residual,...

278 Subject Index 
 
Multiple roots, 234 
N ___________________________________________  
Negative numbers, 19 
in Complex mode, 124-125 
Nested calculations, 38 
Neutral operations, 211 
Nonprogrammable functions, 80 
Normalizing statistics data, 50 
null display, 144, 149 
Numerical integration, 194-204 
O ___________________________________________  
=, 
and off, 18 
to reset Continuous Memory, 63 
to set decimal point display, 61 
Overflow condition, 45, 61, 100...

 Subject Index 279 
 
 
position, changing, 82, 86 
running, 68-69 
starting, 69 
stops, 68, 78 
Program execution, 69 
after G, 101 
after t, 97 
after overflow, 100 
after test, 92 
from or through labels, 78-79 
Program lines (instructions), 67, 74 
deleting, 83, 86 
inserting, 83, 86 
Program memory, 67, 70, 75, 217-219 
automatic real location, 217-218 
clearing, 67 
moving in, 67 
Q ___________________________________________  
Quadratic equation, solving, 181 
R...

280 Subject Index 
 
Rice yield example, 50-56 
Ridget hurling example, 184-186, 224-226 
Roll down, 34 
Roll up, 34 
Roots, eliminating, 233, 234, 237 
Roots, meaningless, 188, 191 
Rounding (&), 24 
Rounding in the display, 59 
Round-off errors, 52, 60, with _, 223, 237 
Row norm, 150, 177 
Run/Stop (¦), 68, 91 
running display, 69, 147, 182 
S ___________________________________________  
Scalar operations, 151-153 
i, 58 
Scientific notation, 58 
Scrolling, 82 
Secant line calculation example, 102...