Exploration And Investigation - Casio fx-350MS Booklet

Exploration and
3
Investigation
Random numbers are very useful, especially in the study of Statistics. Here is a 'Random
Number' game that you and your friend(s) may like to play.
Procedure
1. Set your calculator to COMP mode.
2. Suppose there are two players. Player 1 keys in
Ran#
SHIFT
• x
You will probably see a display similar to the screen on
the right. This value is stored in the variable A.
3. Player 2 presses
followed by keying in
Press RCL
(–)
person who has the greater value wins this round. You may continue playing more rounds.
Player 1
Player 2
You may play this game using expression created by you. For example, you may use the
Ran #
expression 10 or
Whose Number is Greater?
SHIFT
-1
, followed by
(until the cursor is below '„')
STO
SHIFT
RCL
˚'"
A B
and to view and compare these values. The
RCL
˚'"
Display
-1
„A
Ran#
5.952380952
-1
„B
Ran#
7.874015748
15 Ran . #
-1
Ran# , that is
STO
A
RCL
(–)
Ran#
to delete '„A'.
DEL
B
Ran#
The value stores in B is
clearly greater than value
stores in A. Hence, player
two wins this round.
-1
„A
5.952380952
-1
„B
7.874015748
24