HP -28S Manual page 337

Programs, 160-161
in algebraics, 263
as arguments, 254
evaluating, 201-202
Proposition, 162
PSUM program, 86-88
Purging
a directory, 187
a variable, 52
Q
Quadratic expressions and equations,
107
Quoted names, 57
R
Radians angle mode, 73
Radix mark, defined, 36
Random numbers, 78
Real numbers, 155
Recalling a variable, 50, 56
Reciprocal, 40
Recovery modes, 210- 211
Recursion, 246-247, 249
RENAME program, 54-55
Renaming a variable, 52
Repeating test, 218
Reserved names, 159-160
Resetting memory, 20
Restoring the stack, 180
Results mode, 207
Root of an equation, 107
Roots, 42
RPN, 25
Running record, printing, 150
5
Scale of a plot, 91
Self-tests, 218-219
Separators, 169
Service, 293-295
Shift key, 27, 29
336 Subject Index
~GET program, 265
~X2 program, 266
2:XY program, 267
~Y2
program, 266
Single-step execution, 250-253
Solver, 63-64, 98-109
SORT program, 270-272
Spacing of printed output, 214
Speed of printing, 213
Square, 40
Square root, 40
Stack, 176-181
Stack, 22, 272
clearing, 44
printing, 152
Stack diagram, defined, 240
Stack flags, 225
Stack levels, 27, 31
Stack logic, 25
Standard deviation, 135
Statistics parameters, 136, 263
Status, preserving, 258
Storing plot parameters, 96
Strings, 156-157, 258
Structured programming, 202, 241,
255
Subdirectory, 60, 183, 275
Subprograms, 260
SUMS program, 263-264
Symbolic constants, 163
Symbolic integration, 121
Symbolic result mode, 203
System Halt, 217
System of linear equations, 130
T
Taylor series, 120
Temperature conversion, 143-144
Test functions and commands, 224
Time value of money, 103-106
Trace printing, 150, 213
Translating a plot, 93
Transpose, 264
Trigonometric functions, 73-77
Two-number functions, 40
Types of objects, 26, 28