TI-83 Plus Index 771
inequalities, 566
mortgage payments, 592
parametric equations, ferris wheel
problem, 580
piecewise functions, 564
quadratic formula
converting to a fraction, 542
displaying complex results, 544
entering a calculation, 540
Sierpinski triangle, 570
solving a system of nonlinear
equations, 568
unit circle and trig curves, 576
examples—Getting Started
coin flip, 61
compound interest, 442
drawing a tangent line, 212
financing a car, 440
forest and trees, 176
generating a sequence, 283
graphing a circle, 105
mean height of a population, 381
path of a ball, 154
pendulum lengths and periods, 315
polar rose, 166
roots of a function, 203
sending variables, 629
solving a system of linear equations,
256
unit circle, 246
volume of a cylinder, 497
examples—miscellaneous
calculating outstanding loan
balances, 456
convergence, 195
daylight hours in Alaska, 363
predator-prey model, 197
exponential regression (ExpReg), 361,
662
expr( (string-to-expression conversion),
491, 662
ExpReg (exponential regression), 361,
662
expression, 13
converting from string (expr(), 491,
662
turning on and off (ExprOn, 128,
662
ExprOff (expression off), 128, 662
ExprOn (expression on), 128, 662
—F—
factorial (!), 94, 692
family of curves, 131
Fill(, 276, 663
FINANCE CALC menu, 446
FINANCE VARS menu, 462
financial functions
amortization schedules, 454