Casio fx-CP400 User Manual page 68

u conjg [Action][Complex][conjg]
Function: Returns the conjugate complex number.
Syntax: conjg (Exp/Eq/Ineq /List/Mat [ ) ]
Example: To obtain the conjugate of complex number 1 +
u re [Action][Complex][re]
Function: Returns the real part of a complex number.
Syntax: re (Exp/Eq/Ineq /List/Mat [ ) ]
Example: To obtain the real part of complex number 3 – 4
u im [Action][Complex][im]
Function: Returns the imaginary part of a complex number.
Syntax: im (Exp/Eq/Ineq /List/Mat [ ) ]
Example: To obtain the imaginary part of complex number 3 – 4
u cExpand [Action][Complex][cExpand]
Function: Expands a complex expression to rectangular form (a + b
Syntax: cExpand (Exp/Eq/List/Mat [ ) ]
• The variables are regarded as real numbers.
Example: To expand cos
u compToPol [Action][Complex][compToPol]
Function: Transforms a complex number into its polar form.
Syntax: compToPol (Exp/Eq/List/Mat [ ) ]
• When the argument is Mat (Matrices), calculation can be performed using the Radian angle unit only.
Example: To transform 1 +
Radian mode
u compToTrig [Action][Complex][compToTrig]
Function: Transforms a complex number into its trigonometric/hyperbolic form.
Syntax: compToTrig (Exp/Eq/List/Mat [ ) ]
Example: To transform 1 +
u compToRect [Action][Complex][compToRect]
Function: Transforms a complex number into its rectangular form.
Syntax: compToRect ( ( , ) or · e^( ·
Example: To transform a complex number
into its rectangular form
–1 (2) (in the Radian mode)
i
into its polar form
i
into its trigonometric form (in the Radian mode)
i
) form [ ) ]
(Ineq : Real mode only)
i
(Ineq : Real mode only)
i
(Ineq : Real mode only)
i
i
).
Degree mode Grad mode
Chapter 2: Main Application 68