Subject Index 291
Slope, finding the, 54
_, 180–181
accuracy, 222–226, specifying, 238
algorithm, 182, 187–188, 220–222, 230–231
conditions necessary for, 221–222
constant function value with, 187, 189
execution time, 238
illegal math routine with, 187–188
initial estimates with, 181, 188–192, 221, 233, 237
memory usage, 193
nonzero minimum of function with, 187
programmed, 192
recursive use of, 193
restrictions on, 193
using as a conditional test, 192
using functions with discontinuities, 227
using functions with poles, 227
using functions with several roots, 233–238
with no root, 186–188, 192, 229
Square root (¤), 25
Squaring (x), 25
Stack
contents, with f, 197, 202
drop, 33, 38
lift, 33, 36, 38, 44, 209–211
manipulation functions, 33–34, in Complex mode, 131
imaginary, 120–125
used to access matrix elements, 146–147
Stack-disabling operations, 210
Stack-enabling operations, 210–211
Stack movement, 32, 33–37
in matrix functions, 174–176
with _, 181
Standard deviation (S), 53, sample vs. population, 53
Star example, 40
Statistics, accumulation of data (z), 49
Statistics, correction of accumulated data (w), 52
Statistics functions,
combinations, 47
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