Use the above program to see the different forms of fraction display:

Keys:

Display:

Description:

(In ALG mode)

 

 

XF#@

value

2.53 g @

value

16 g  )

g !  

 +d

g! 

+c

g% 

 + c

g‡ )

y{} 

0

Executes label F; prompts for a fractional number (V).

Stores 2.53 in V; prompts for denominator (D).

Stores 16 as the /c value. Displays message, then the decimal number.

Message indicates the fraction format (denominator is no greater than 16), then shows the fraction. d indicates that the numerator is "a little below" 8.

Message indicates the fraction format (denominator is factor of 16), then shows the fraction. Message indicates the fraction format (denominator is 16), then shows the fraction.

Stops the program and clears flag 10

Loops

Branching backwards — that is, to a label in a previous line — makes it possible to execute part of a program more than once. This is called looping.

    "!   "!   "! !  ! 

13–16Programming Techniques