EasyManua.ls Logo

HP HP-21 - Function Keys; Finding Reciprocals; Finding Square Roots

HP HP-21
74 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
Function
Keys
Finding
Reciprocals
To
calculate
reciprocals
of
a
displayed
number,
key
in
the
num-
ber,
then
press
[[24.
Example:
Find
the
reciprocal
of
25.
Press
Display
25
u
You
can
also
calculate
the
reciprocal
of
a
value
in
a
previous
calculation
without
reentering
the
number.
1
le:
late
———
.
Example:
Calculate
316
Press
Display
3
Reciprocal
of
3.
g
/x|
Reciprocal
of
6.
Sum
of
reciprocals.
1/x
Reciprocal
of
sum.
Finding
Square
Roots
To
calculate
the
square
root
of
any
displayed
value,
press
-
:
Example:
Find
the
square
root
of
16.
Press
Display
16
Now
find
the
square
root
of
the
result.
Press
Display
B
(=]
39

Table of Contents

Related product manuals