TI-83 Plus Index 785
tangent lines, drawing, 222
Tangent( (draw line), 222, 687
tanhM1( (hyperbolic arctangent), 496,
687
tanh( (hyperbolic tangent), 496, 687
TblStart (table start variable), 205
tcdf( (student-t distribution probability),
427, 687
technical support, 758
Temperature, 468
Temp-Time, 468
TEST (relational menu), 101
TEST LOGIC (Boolean menu), 103
Text(
instruction, 230, 254, 687
placing on a graph, 230, 254
Then, 513, 666
thick (è) graph style, 117
TI.82
link differences, 646
transmitting to/from, 644
TI.83
Link. See linking
TI.83 Plus
key code diagram, 532
keyboard, 2
menu map, 698
TI Connect, 632
TI.GRAPH LINK, 632, 633
Time axes format, 187, 687
time value of money (TVM)
æ variable (annual interest rate),
462
Ú variable (number of payment
periods), 462
C/Y variable (number of
compounding periods per year),
463
calculating, 448
formulas, 728
FV variable (future value), 462
P/Y variable (number of payment
periods per year), 463
PMT variable (payment amount),
462
PV variable (present value), 462
TVM Solver, 444
tvm_Ú (# payment periods), 450,
688
tvm_FV (future value), 451, 688
tvm_I% (interest rate), 449, 688
tvm_Pmt (payment amount), 449,
688
tvm_PV (present value), 450, 688
variables, 462
TInterval (one-sample t confidence
interval), 406, 687
tpdf( (student-t distribution probability
density function), 427, 687
TRACE
cursor, 135