Casio CFX-9850GC PLUS Manuel sur les nombres complexes - Page 3

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4-2 Performing Complex Number Calculations

The following examples show how to perform each of the complex number

calculations available with this calculator.

k k k k k Arithmetic Operations

Arithmetic operations are the same as those you use for manual calculations. You

can even use parentheses and memory.

k k k k k Reciprocals, Square Roots, and Squares

k k k k k Absolute Value and Argument

The unit regards a complex number in the form

Gaussian plane, and calculates absolute value Z and argument (arg).

(1 + 2i) + (2 + 3i)

Example 1

AK3(CPLX)

(b+c1(

+(c+d1(

(2 + i) × (2 – i)

Example 2

AK3(CPLX)

(c+1(

*(c-1(

(3 + i)

Example

AK3(CPLX)

!9(d+1(

Example

To calculate absolute value (

complex number 3 + 4

))

))w

))

))w

, with the angle unit set for degrees

Imaginary axis

[OPTN]-[CPLX]-[i]

[OPTN]-[CPLX]-[Abs]/[Arg]

as a coordinate on a

) and argument ( θ ) for the

Real axis