HP 35s User Manual page 355

Name
2
x
xy
y
2
y
x
y
∫ FN d variable
( )
[ ]
Keys and Description
 ÕÕÕ
Returns the sum of squares of x–
values.
ÕÕÕÕÕ
()
Returns the sum of products of x–and
y–values.
 ÕÕ
Returns the sum of y–values.
 ÕÕÕÕ
Returns the sum of squares of y–
values.
 ÕÕ
Returns population standard
deviation of x–values:
∑
2
( x x )
i
 ÕÕÕ
Returns population standard
deviation of y–values:
∑
2
( y y )
i
( ∫   _) variable

Integrates the displayed equation or
the program selected by FN=, using
lower limit of the variable of
integration in the Y–register and
upper limit of the variable of
integration in the X–register.
4
parenthesis. press
the parenthesis for further
calculation.
3
: A vector symbol for
performing vector operations
?
: A complex number symbol
for performing complex number
operations

( )
()
(
( )
n
( )
n
Õ
to leave
Operation Index
Page
12–11
12–11
12–11
12–11

)
12–7
12–7
8–2
15–7
6–6
10–1
9–1
G-3
1
1
1
1
1
1
1
1
1