SC3449

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

REV:1.1

2007.11.19

Http: www.silan.com.cn

Page 7 of 23

Ÿ The mixed calculation of fraction/decimal fraction will be shown in the decimal fraction form.

Transform the decimal fraction form to fraction form

Arithmetic formula

Key-press

Result vision

Example

2.75

4

3

2

→

2.75

c

b

a

SHIFT

c

d

2.75

2_|3_|4.

11_|4.

Transform the fraction form to fraction form decimal fraction

Arithmetic formula

Key-press

Result vision

Example

0.5

2

1

↔

(Fraction

↔Decimal

fraction)

1

c

b

a

2

c

b

a

c

b

a

1_|2.

0.5

1_|2.

Ÿ Please use parenthesis() in combinational arithmetics between function ( A function, B function, power and

root operation etc.)and fraction operator ab/c.

Arithmetic formula

Key-press

Result vision

Example 1

5

8

Sin

Sin

8

c

b

a

5

Sin(8_|5)=0.027921638

Example 2

5

8

Sin

Sin 8

c

b

a

5

(Sin8)_|5=0.02783462

4. Percentage calculation

Ÿ Use COMP mode to go along the percentage calculation

Arithmetic formula

Key-press

Result vision

Example 1

Calculating the12% of

1500

1500 × 12 SHIFT % =

180.

Example 2

What percent is 660 of 880

660 ÷ 880 SHIFT % =

75.

5. Science function calculation

Ÿ Use COMP mode to go along the science function calculation

Ÿ

π=3.14159265359

Trigonometric /counter-trigonometric function

Arithmetic formula

Key-press

Result vision

Example1

Sin63 52’

41”

MODE MODE 1

“D”

Sin 63

‚

„52

‚

„41

‚

„

0.897859012

Example2

rad)

3

cos(

MODE MODE

“R”

Cos ( SHIFT

π ÷ 3 )

0.5

Example3

cos

-1

4

2

2

π

=

MODE MODE

“R”

SHIFT cos

-1

2 ÷ 2

Ans ÷ SHIFT

π

0.785398163

0.25

Example4

tan

MODE MODE 1

“D”

SHIFT tan

36.53844577