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B. 2:Angle
Press
 .
Use 
and 
to select the menu of choice. |
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Not all options are given in the entry format. Options that are used frequently will be included, but others are omitted from the table. For a complete format listing, you can check the TI-89 manual. Results in complex mode are not covered. They can be found in the manual.
|
Operation
|
Entry Format
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Explanation
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Screen
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In Radian angle mode,
recognizes the expression as being a degree expression. |
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In Degree angle mode,
recognizes the expression as being a radian expression. |
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| 3:P>Rx |
P>Rx(r expression, |
Used in conversion
of polar coordinates to rectangular coordinates . This will convert the polar to the equivalent rectangular x-coordinate. |
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| 4:P>Ry | P>Ry(r expression,
expression)P>Ry(r List,
List)P>Ry(r matrix,
matrix) |
Used in conversion
of polar coordinates to rectangular coordinates. This will convert the polar to the equivalent rectangular y-coordinate. |
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| 5:R>Pr |
R>Pr(x expression, y expression) |
Returns the equivalent r-coordinate of the (x,y) pair arguments. |
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| 6:R>P |
R>P(x
expression, y expression) R>P (xList,
yList)R>P (xMatrix,
yMatrix) |
Returns the equivalent-coordinate
of the (x,y) pair arguments. |
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7: Also
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[radius,
angle] |
Returns coordinates as a vector. |  |
| 8:DMS | expression>DMS list>DMS matrix>DMS |
Interprets the argument
as an angle and displays the equivalent DMS number. |
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| 9:>DD | number>DD list>DD matrix>DD |
Returns the decimal
equivalent of the argument. The symbols for degrees, minutes, seconds are found by pressing:
and
and
. |
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