4444 dd, 4444 dec, 806 appendix a: functions and instructions – Texas Instruments TITANIUM TI-89 User Manual
Page 806

806
Appendix A: Functions and Instructions
prior to 1583 (pre-Gregorian calendar).
Enter the year as a four-digit integer. The month
and day can be either one- or two-digit integers.
3 = Tuesday
4 = Wednesday
5 = Thursday
6 = Friday
7 = Saturday
4444DD
MATH/Angle menu
number
4444DD ⇒
⇒
⇒
⇒
value
list1
4444DD ⇒
⇒
⇒
⇒
list
matrix1
4444DD ⇒
⇒
⇒
⇒
matrix
Returns the decimal equivalent of the argument
expressed in degrees. The argument is a number,
list, or matrix that is interpreted by the Mode
setting in gradians, radians or degrees.
In Degree angle mode:
1.5ó 4DD
¸
1.5у
45у 22'14.3"
4
DD
¸
45.370
...
у
{45у 22'14.3",60у 0'0"}
4
DD
¸
{45.370
...
60}¡
In Gradian angle mode:
14DD
¸
(9/10)ó
In Radian angle mode:
1.5
4
DD
¸
85.9ó
4444Dec
MATH/Base menu
integer1
4444Dec ⇒
⇒
⇒
⇒
integer
Converts
integer1
to a decimal (base 10) number.
A binary or hexadecimal entry must always have
a 0b or 0h prefix, respectively.
0b10011
4
Dec ¸ 19
0h1F
4
Dec ¸ 31
0b
binaryNumber
0h
hexadecimalNumber
Without a prefix,
integer1
is treated as decimal.
The result is displayed in decimal, regardless of
the
Base
mode.
A binary number can have up to
32 digits. A hexadecimal number
can have up to 8.
Zero, not the letter O, followed by b or h.