Teachers Guide
Page 75
Calculates the factorial. RAND Generates a random 10-digit real number between 2 numbers that you can store (L) an integer to RAND just as in a race. • A factorial is the product of all the positive integers from 1 to n, where n is generated. ...• To control a sequence of possible combinations. ! nPr Calculates the number of functions. RANDI Generates a random integer between 0 and 1. Probability 11 Keys 1. nCr Calculates the number of random numbers, you specify. 1 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 68
Calculates the factorial. RAND Generates a random 10-digit real number between 2 numbers that you can store (L) an integer to RAND just as in a race. • A factorial is the product of all the positive integers from 1 to n, where n is generated. ...• To control a sequence of possible combinations. ! nPr Calculates the number of functions. RANDI Generates a random integer between 0 and 1. Probability 11 Keys 1. nCr Calculates the number of random numbers, you specify. 1 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 68
Teachers Guide
Page 78
DEG H © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 71 Factorial (!) Using the digits 1, 3, 7, and 9 only one time each, how many 4-digit numbers can you form? 4! = x 1 3 79 ABC D ABCD ABDC ACBD ACDB ADBC ADCB BACD BADC BCAD BCDA BDCA BDAC CABD CADB CBAD CBDA CDAB CDBA DABC DACB DBAC DBCA DCAB DCBA Press 4 H " " < < Display nPr nCr -! & DEG 4! ' 24.
DEG H © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 71 Factorial (!) Using the digits 1, 3, 7, and 9 only one time each, how many 4-digit numbers can you form? 4! = x 1 3 79 ABC D ABCD ABDC ACBD ACDB ADBC ADCB BACD BADC BCAD BCDA BDCA BDAC CABD CADB CBAD CBDA CDAB CDBA DABC DACB DBAC DBCA DCAB DCBA Press 4 H " " < < Display nPr nCr -! & DEG 4! ' 24.
Teachers Guide
Page 112
... Keys (Continued) A KEY H % h % % k % d FUNCTION Displays the following menu of possible combinations. ! Calculates the factorial. No menu or message is displayed. Displays the following numeric notation mode menu. SCI Turns on engineering mode and displays results as a number...FLO Restores standard mode (floating decimal). ENG Turns on scientific mode and displays results as a number from 1 to 10 (1 n < 10) times 10 to an integer power. nPr Calculates the number of 3. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers A-4 RAND ...
... Keys (Continued) A KEY H % h % % k % d FUNCTION Displays the following menu of possible combinations. ! Calculates the factorial. No menu or message is displayed. Displays the following numeric notation mode menu. SCI Turns on engineering mode and displays results as a number...FLO Restores standard mode (floating decimal). ENG Turns on scientific mode and displays results as a number from 1 to 10 (1 n < 10) times 10 to an integer power. nPr Calculates the number of 3. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers A-4 RAND ...