External Features - Sharp DIGITAL RULE PC-1802 Instruction Manual

2. EXTERNAL FEATURES
Power switch
gCiear entry key
(q)Clear key
EDivision key
(jL Muitiplication key
Minus key
£F Plus key
gClear memory key
QMemory recall key
@Memory plus key
@Equal key
DEGC®RAD
Degree/
radian mode selector
0Function designation
key
@ Square root key
entry key
Numerical entry
keys and function keys
0 Decimal point key
(e| Change sign key
3. FEATURES
Genera! features
PC-1802 provides four-arithmetic functions and certain scientific functions
with full floating decimal point system.
In addition the following features are provided.
1) Memory calculation
2) Constant addition, subtraction, multiplication and division
3) Chain multiplication and division
4) Power calculations
5) Repeat addition and subtraction
6) Mixed calculations, etc.
Scientific functions
rhe following scientific functions are provided.
1) Trigonometric functions (sin*, cos a*, tan*}:
After setting numbers, operate the 0 (E,
18,81
) keys.
The argument "X" can be in degrees or radians according to the
position of DEG-RAD (Degree/radian) mode selector.
2
)
Inverse trigonometric functions (sin"1*, cos-1*, tan-1*).
After fiettino numbers, onerate
the fp] ( .
S3 .
m
) kevs.