Sharp el-9950 - Page 56

55
Chapter 3: Manual Calculations
c
Enters an arccosine function to be used in a trigonometric
expression.
Example
• Calculatearccosine0.5.
@
c
0.5
E
Enters an arctangent function to be used in a trigonometric
expression.
Example
• Calculatearctangent1.
@
1
E
Note: Expressions with inverse trigonometric functions evaluate in the
following ranges.
θ
= sin
-1
x
,
θ
= tan
-1
x
θ
= cos
-1
x
Deg: 0
≤
|
θ
|
≤
90 Deg: 0
≤
|
θ
|
≤
180
Rad: 0
≤
|
θ
|
≤
π
2
 Rad: 0
≤
|
θ
|
≤ π
Grad: 0
≤
|
θ
|
≤
100 Grad: 0
≤
|
θ
|
≤
200
l
 Entersa“log”functionforalogarithmiccalculation
Example
• Calculatelog100.
l
1 0 0
E
0
Enters a base of 10, setting the cursor at the exponent.
Example
• Calculate5
×
10
5
.
5 | @
0
5
E