Program Lines:Description

% ! & If all factors have been tried, branches to the display

 

routine.

% 

Calculates the next possible factor, D + 2.

% !- 

% ! % Branches to test potential prime with new factor. Checksum and length: 061F 021.0

Flags Used:

None.

Memory Required:

61 bytes: 45 for program, 16 for variables.

Program Instructions:

1.Key in the program routines; press †when done.

2.Key in a positive integer greater than 3.

3.Press WP to run program. Prime number, P will b e displayed.

4.To see the next prime number, press f.

Variables Used:

PPrime value and potential prime values.

DDivisor used to test the current value of P.

Remarks:

No test is made to ensure that the input is greater than 3.

Example.

What is the first prime number after 789? What is the next prime number?

Keys: Display:Description:

Miscellaneous Programs and Equations 17–9

File name 32sii-Manual-E-0424

 

Printed Date : 2003/4/24

Size : 17.7 x 25.2 cm