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