Casio FX-9860GII-L-IH User Guide - Page 110
Absolute Value and Argument, Conjugate Complex Numbers, and argument
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2-6-3 Complex Number Calculations k Absolute Value and Argument [OPTN]-[CPLX]-[Abs]/[Arg] The unit regards a complex number in the form a + bi as a coordinate on a Gaussian plane, and calculates absolute value Z and argument (arg). Example To calculate absolute value (r) and argument (θ) for the complex number 3 + 4i, with the angle unit set for degrees Imaginary axis AK3(CPLX)2(Abs) (d+e1(i))w (Calculation of absolute value) AK3(CPLX)3(Arg) (d+e1(i))w (Calculation of argument) Real axis k Conjugate Complex Numbers [OPTN]-[CPLX]-[Conj] A complex number of the form a + bi becomes a conjugate complex number of the form a - bi. Example To calculate the conjugate complex number for the complex number 2 + 4i AK3(CPLX)4(Conj) (c+e1(i))w # The result of the argument calculation differs in accordance with the current angle unit setting (degrees, radians, grads). 20050401