HP 35s User Manual

16-12 Statistics Programs
This program uses the built–in integration feature of the HP 35s to integrate the
equation of the normal frequency curve. The inverse is obtained using Newton's
method to iteratively search for a value of x which yields the given probability Q(x).
x
y
"Upper tail"
area
x
Q [x]
∫
÷÷−−
−=
x
x
xx
dxexQ
2))((
2
2
1
5.0)(
σ
πσ

HP 35s Specifications

General

Type	Scientific
Form factor	Pocket
Product color	Black
Digits	14 digits
Display number of lines	2 lines
Keyboard type	Alphanumeric
Menus and prompts	Yes

Weight and Dimensions

Dimensions (WxDxH)	157.9 x 18 x 82 mm