IV. Math Menu

    E. 5:Complex    

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to select the menu of choice.

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.

Note: The key access to the complex i, is .

Operation
Entry Format
Explanation
Screen
1:conj conj(expression1)
conj(list1)
conj(matrix1)
Returns the complex conjugate
of the argument.
2:real real(expression1)
real(list1)
real(matrix1)
Returns the real part of the
argument.
3:imag imag(expression1)
imag(list1)
imag(matrix1)
Returns the imaginary part of
the argument.
4:angle angle(expression1)
angle(list1)
angle(matrix1)
Returns the angle of expression1,
interpreting expression1 as a
complex number.
5:abs abs(expression1)
abs(list1)
abs(matrix1)
Returns the absolute value
of the argument. Same as
1:Number 2:abs.

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