Example

Use the M register to add 17, 14.25, and 16.95. Then subtract 4.65 and recall the result.

Table 4-6

Calculating basic arithmetic operations using M register

 

 

 

 

Keys

 

Display

Description

 

 

 

Jjs

17.00

Stores 17 in M register.

 

 

 

 

 

JY7GVm

14.25

Adds 14.25 to M register.

 

 

 

 

 

JS7dVm

16.95

Adds 16.95 to M register.

 

 

 

 

 

Y7SVym

-4.65

Adds -4.65 to M register.

 

 

 

 

 

 

p

 

43.55

Recalls contents of the M

 

 

register.

 

 

 

 

Using Numbered Registers

The \wand vkeys access the 20 user registers, designated 0-19. The

\wkey is used to copy the displayed number to a designated register. The vkey is used to copy a number from a register to the display.

To store or recall a number in two steps:

•Press \wor v. To cancel this step, press or M.

•Press \wfollowed by a number key, :to d, or 7and :to d, to store a number in the display into a numbered data storage register. Press \w7followed by :through dto access registers 10-19.

•Press vfollowed by a number key, :to d, or 7and :to d, to recall a

number from a storage register. Press v7followed by :through dto access registers 10-19.

Example

In the following example, two storage registers are used. Set the calculator for CHAIN mode (]?) and calculate the following:

475.6---------------

and

560.1--------------------------------------+475.6-

39.15

 

39.15

52 Number Storage and Storage Register Arithmetic