Texas Instruments TI-73 EXPLORER 用户手册

Chapter 2: Math Operations   

7302ENG.DOC   CH2 Math Operations, English   Julie Hewlett   Revised: 07/29/98 11:58 AM   Printed: 05/19/99 8:58

AM   Page 49 of 32

 

The 1

 

The 1 

 (probability) menu lets you select functions

that are often used to calculate probabilities.

1 " "

Generates a random number between 0 and 1.

Generates a random integer between two values.

Calculates the number of permutations for a group

of items.

Calculates the number of combinations for a group

of items.

Calculates the factorial of a positive integer.

Simulates one or more coin tosses.

Simulates one or more dice rolls.

 

rand   1

 

  "

 

  "

 

Generates a random real number between 0 and 1

(0<number<1). 

 takes no arguments.

If you want to control a sequence of random numbers, first

store an integer “seed value” to 

. The calculator generates

a specific sequence of random numbers from each seed value.

To get a different sequence, use a different seed value. The

default seed value is 0.

seed X