Sharp DIGITAL RULE PC-1802 Instruction Manual page 7

Calculations Examples Operation
Exponential
function
e1 = 2.71828 10® ->2.71828
Logarithmic
function
In5= 1.609437912
loglOO - 2
i
5 Bffl -+ 1.609438
100 011-* 2.
Reciprocal
calculation
l
■ °'04
—2-- 0.02
5x9 + 5
5 00018-* 0,04
5 09 0 0.02
Square root
extraction
\/l69 = 13
V<456 + 397) x 20
- 130.61393
169 @ -> 13,
45603970200®
-> 130.61393
Applied calculation
Ex. 1 53 = ?
Steps Operation
»
Display Note
1
.—--
5
fs
m
-
>
1.609438
1
2
t .
:
1 *
..V
3
E
0.5364793
1
3
'=: ffl
1.709975
■« -..—
—1 ----
: Ans,
1
> •** "-'t " "• *** * * .•»****• *" "*4"V
t
X
Ex. 2 (1.512,5 = 7
Steps Operation Display
* 1 «■ ■ ■
11 r
> ■
-l- l- *- • r —' - ' 1
Note
1
1.5 0ES
0.405465
2
B 2.5 [=j 0.162186
•
3
Effi
1.176078 Ans.
Ex. 3 (1.5)2,5 = ?
Steps Operation Display
Note
1 1.5
0 33
0.405465
2
0
2.5
GO
1.0136625
3
0 EE
2.755673 Ans.
1 1
IO