Casio fx-3650P Programming Guide

29
20 The distance between a line and a point
The distance between a point and a straight line
, as in the diagram on the right, is given by the
formula:
Program
？ → Ｘ：？ → Ｙ：？ → Ａ：？ → Ｂ：√（（ＡＸ－Ｙ＋Ｂ）÷（１＋ Ａ
２
））→Ｄ：Ｄ ＜38 STEP ＞
INPUT Ｘ,Ｙ: co-ordinates of the point
A ( X, Y ) A : gradient B : y-intercept
OUTPUT Ｄ: the distance between the line
y = A x + B and the point A ( X, Y )
Execution Example:
Calculate the distance between the point (3, 4) and the straight line .
Ax y (,)
yaxb+=
AH
ax y– b+
1 a
2
+
------------------------
=
A
H
(x, y)
y=ax+b
ON
MODE MODE MODE
1
PRGM
MODE
1
COMP
1
P1
y 7x 9+=
Prog
1
S A
D R P1
P1
P2 P3 P4 G
3
EXE
4
EXE
S A
D R
P1
P1
P2 P3 P4 G
7
EXE
9
EXE
M
S A
D R P1
P1
P2 P3 P4 G
関数電卓事例集 .book 29 ページ ２００２年９月２日 月曜日 午後６時５１分

Casio fx-3650P Specifications

General

Type	Scientific
Form factor	Pocket
Housing material	Plastic
Digits	12 digits
Digit comma separator	Yes
Display number of lines	2 lines
Digit comma separator format	Standard (3 digits)
Battery type	LR44
Number of batteries supported	1

Weight and Dimensions

Weight	100 g
Dimensions (WxDxH)	78 x 157 x 12 mm