HP HP-28S - Page 334

Clearing
all memory, 20
the stack, 44
statistical data, 132
Closing
the case, 18
Collecting
an algebraic, 111, 256
Comma, 169
Commands, 164-165
catalog of, 26, 29, 31-33
Command line, 22, 166
recovering, 174
Commuting terms, 113-114
Complex numbers, 82, 155
Conditional structures, 223-228
Constants mode, 206-207
Continuous Memory, 20
Contrast, display, 21, 216
Copying stack objects, 178
Corners of a plot, 94
Correcting errors, 47
Correlation, 136
COT program, 80-81
Cotangent, 80-81
Counter, 228-230, 260, 271, 274
Covariance, 136
Covariance matrix, 263
Creating
a directory, 183
a variable, 49, 54
Cross product, 126
Cubic feet conversion, 146
Current directory, 60, 184
Current equation, 90
Current path, 60, 184-185
Current statistics matrix, 132
Current status, 258
Cursor, indicating modes, 172
Cursor
menu, 30, 69, 166-168
Custom input menu, 234-235
Custom menus, 192, 195, 276, 277
Custom user menu, 235
D
Darkening the display, 21
Data point, 132
Data-class objects, 199
Debugging programs, 250
Decimal places, 37
Decimal point, 36, 209
Default modes, 205
Definite loops, 228-230, 248, 260
2~ ,
nested, 270-271
Degrees angle mode, 73
Degrees-minutes-seconds, 76
Delaying evaluation, 198
Delimiters, 26, 28, 169
Dependent data, 136
Determinant, 128
Diagnostics,
218-219
Differentiation, 117-120
Digitize, 93, 99
Directories, 183-187
benefits, 62, 66, 71, 183
changing,
275-279
creating, 60
Display, printing, 149, 216
Display contrast,
21
Dot product, 126
Dropping stack objects, 179
E
Editing, 69, 173
statistics
data, 133
ENTER, 24, 173
Enter exponent, 39
Entry modes, 51, 169-172, 207
Equality test, 224
Equations, 162-163
evaluating, 203
plotting, 97
quadratic, 107
root of, 107
Subject Index 333