Parts of numbers, Yx + a – HP 35s Scientific Calculator User Manual
Page 91
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Parts of Numbers
These functions are primarily used in programming.
Integer part
To remove the fractional part of x and replace it with zeros, press
(). (For example, the integer part of 14.2300 is 14.0000.)
Fractional part
To remove the integer part of x and replace it with zeros, press
(). (For example, the fractional part of 14.2300 is 0.2300)
Absolute value
To replace a number in the x-register with its absolute value, press
. For
complex numbers and vectors, the absolute value of:
1. a complex number in r
θa format is r
2.
a complex number in xiy format is
3.
a vector [A1,A2,A3, …An] is
=
Argument value
To extract the argument of a complex number, use
=
. The argument of a
complex number:
1. in r
θa format is a
2.
in xiy format is Atan(y/x)
Sign value
To indicate the sign of x, press
(). If the x value is negative, –
1.0000 is displayed; if zero, 0.0000 is displayed; if positive, 1.0000 is displayed.
2
2
y
x
+
A
2
2
2
2
1
n
A
A
A
+
⋅⋅
⋅
+
+