Silan

Semiconductors

SC3423

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0

2000.12.31

6

b) Multiplication Key (x)

i) Enters multiplicand.

ii) Performs previous operation and displays result.

c) Division Key (

÷)

i) Enters dividend.

ii) Performs previous operation and displays result.

d) Addition Key (+)

i) Conditions machine for an addition.

ii) Performs previous operation and displays result.

e) Subtraction Key (-)

i) Conditions machine for a subtraction.

ii) Performs previous operation and displays result.

f) Percent Key (%)

The purpose of the percent key is to allow for calculation of add-on and discount. Deter mination of add-on

requires the principal amount to be the first entry followed by the "+" or "x" key, with the percentage being the

second entry. Depression of the percent key yields the amount to add on, such as tax or interest. Depression

of the "=" key adds this amount to the principal.

g) Change Sign Key (+/-)

Pushing the "+/-" key twice in succession causes the corresponding sign to appear and disappear. During

digit entry; this function changes the sign of the entered factor.

h) Power On/All Clear Key (ON/AC)

i) First push power-on displays "0".

ii) In the middle of a digit entry, a second push will clear all registers and memory.

i) Clear Entry/Clear Key (CE/C)

i) During the digit entry, the first depression will clear the entry register. And display the previous enter

number again.

ii) The second push will clear all registers except memory.

j) Clear Entry Key (CE)

During the digit entry will clear the entry register and display number "0".

k) Square Root Key (

)

Extracts the square root of a positive number displayed in the entry register.

I) Memory Plus Key (M+)

i) Adds the current display to the contents of memory.

ii) It will terminate a number entry.