Power, Energy
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Complex Numbers
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The calculator performs the following complex number calculations:
• Addition, subtraction, multiplication and division
• Argument and absolute value calculations
• Reciprocal, square and cube calculations
• Complex Conjugate number calculations
Setting the Complex Format
Set the calculator to DEC mode when computing with complex numbers.
q $ $ $ Selects the REAL menu. Use ! and o" to scroll with in the REAL menu
to highlight the desired complex results format a+bi, or r±q, and press <.
REAL, a+bi, or r±q set the format of complex number results.
a+bi rectangular complex results
r±q polar complex results
Notes:
• Complex results are not displayed unless complex numbers are entered.
• To access i on the keypad, use the multi-tap key g.
• Variables x, y, z, t, a, b, c, and d are real or complex.
• Complex numbers can be stored.
• Complex numbers are not allowed in data, matrix, vector, and where complex
arguments are not valid. A function can be defined with a complex number
expression and will calculate on the home screen and not in table.
• For conj(, real(, and imag(, the argument can be in either rectangular or polar
form. The output for conj( is determined by the mode setting.
• The output for real( and imag( are real numbers.
• Set mode to DEGREE or RADIAN depending on the angle measure needed.
Math Tools 67
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