User Manual

20101001
2-8-19
Using the Action Menu
S
arg
Function: Returns the argument of a complex number.
Syntax: arg (Exp/Eq/List/Mat [ ) ]
Example: To obtain the argument of complex 2 +
i
(in the Radian mode)
Menu Item: [Action][Complex][arg]
S
lcm
Function: Returns the least common multiple of two expressions.
Syntax: lcm (Exp/List-1, Exp/List-2 [
) ]
Example: To obtain the least common multiple of
x
2
– 1 and
x
2
+ 2
x
– 3
Menu Item: [Action][Calculation][lcm]
S
denominator
Function: Extracts the denominator of a fraction.
Syntax: denominator (Exp/List [
) ]
Example: To extract the denominator of the fraction (
y
– 2)/(
x
+ 1)
Menu Item: [Action][Calculation][denominator]
S
numerator
Function: Extracts the numerator of a fraction.
Syntax: numerator (Exp/List [ ) ]
Example: To extract the numerator of the fraction (
y
– 2)/(
x
+ 1)
Menu Item: [Action][Calculation][numerator]
Using the Complex Submenu
The [Complex] submenu contains commands that relate to calculations that involve
complex numbers.