Texas Instruments TI-84 User Manual
Page 576

Appendix A: Functions and Instructions
573
dbd(date1,date2)
Calculates the number of
days between date1 and
date2 using the actual-day-
count method.
Œ
1:Finance
CALC
D:dbd(
value
4
Dec
Displays a real or complex
number, expression, list, or
matrix in decimal format.
MATH
2:
4
Dec
Degree
Sets degree angle mode.
†
z
Degree
DelVar variable
Deletes from memory the
contents of variable.
†
CTL
G:DelVar
DependAsk
Sets table to ask for
dependent-variable values.
†
y -
Depend: Ask
DependAuto
Sets table to generate
dependent-variable values
automatically.
†
y -
Depend: Auto
det(matrix)
Returns determinant of
matrix.
y >
MATH
1:det(
DiagnosticOff
Sets diagnostics-off mode;
r, r
2
, and R
2
are not
displayed as regression
model results.
y N
DiagnosticOff
Function or
Instruction/Arguments
Result
Key or
Keys/Menu or
Screen/Item