User's Manual

30
Chapter 2: Math Operations
7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58
AM Page 30 of 32
Inverse Function Inverse Function - ƒ
Returns the inverse, x
-1
, of value, which is the equivalent of the
reciprocal,
1
/
x
, of a real number, expression, or each element
in a list.
value
-1
Important: To ensure that results are displayed as simple
fractions instead of mixed numbers, select
b/c
Display Format
mode.
Calculate
5
/
8
-1
.
:
5
=
8
"-ƒ
b
Calculate M2.5
-1
.
a
2.5
-ƒb
Square Square 6
Finds the square of a real number, an expression, or each
element in a list. Note: Using parentheses with
6
ensures
that you get the correct answer. Refer to Appendix B:
Reference Information for Equation Operating System (EOS)
calculation rules.
value
2
Calculate 5
2
.
:
5
6b
Compare the results of M5
2
and (M5)
2.
.
1. Calculate M5
2
.
a
5
6b
³
³
³
³