Doing Arithmetic Inside Registers

<RX￿FDQ￿GR￿DULWKPHWLF￿LQVLGH￿VWRUDJH￿UHJLVWHUV￿5￿￿WKURXJK￿5￿￿￿7KH￿UHVXOW￿ LV￿VWRUHG￿LQ￿WKH￿UHJLVWHU￿￿

Keys

New Number in Register

 

 

*￿!￿￿￿UHJLVWHU￿QXPEHU

2OG￿FRQWHQWV￿￿￿GLVSOD\HG￿QXPEHU￿

*￿!￿￿￿UHJLVWHU￿QXPEHU

2OG￿FRQWHQWV￿²￿GLVSOD\HG￿QXPEHU￿

*￿!￿"￿UHJLVWHU￿QXPEHU

2OG￿FRQWHQWV￿ï￿GLVSOD\HG￿QXPEHU￿

*￿!￿d￿UHJLVWHU￿QXPEHU

2OG￿FRQWHQWV￿¸￿GLVSOD\HG￿QXPEHU￿

 

 

Example. 6WRUH￿￿￿￿￿￿LQ￿5￿￿￿PXOWLSO\￿E\￿￿￿￿￿￿DQG￿VWRUH￿WKH￿UHVXOW￿LQ￿5￿￿

Keys:

Display:

Description:

￿￿￿￿*!￿

45.70

6WRUHV￿￿￿￿￿￿LQ￿5￿￿

￿￿￿*!"￿

2.50

0XOWLSOLHV￿￿￿￿￿￿LQ￿5￿￿E\￿

 

 

￿￿￿￿DQG￿VWRUHV￿UHVXOW￿

 

 

￿￿￿￿￿￿￿￿￿LQ￿5￿￿

￿￿

114.25

'LVSOD\V￿5￿￿

3: Number Storage and Arithmetic 41