HP 35s Scientific Calculator User Manual
Page 355
G-3
Σx
2
ÕÕÕ
(
)
Returns the sum of squares of x–
values.
12–11
1
Σxy
ХХХХХ
()
Returns the sum of products of x–and
y–values.
12–11
1
Σy
ÕÕ
()
Returns the sum of y–values.
12–11
1
Σy
2
ХХХХ
(
)
Returns the sum of squares of y–
values.
12–11
1
σx
ÕÕ
(
σ)
Returns population standard
deviation of x–values:
12–7
1
σy
ÕÕÕ
(
σ)
Returns population standard
deviation of y–values:
12–7
1
∫ FN d variable
( ∫
_) 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.
8–2
15–7
( )
4
parenthesis. press
Õ
to leave
the parenthesis for further
calculation.
6–6
1
[ ]
3
: A vector symbol for
performing vector operations
10–1
1
θ
?
: A complex number symbol
for performing complex number
operations
9–1
1
Name
Keys and Description
Page
n
x
x
i
÷
−
∑
2
)
(
n
y
y
i
ч
−
∑
2
)
(