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Chapter 3: Manual Calculations
I
Enters a natural logarithm
function.
Example
• Calculate In e
I @ @ 4 E.
Enters the Euler Number e (2.71...) to a power. The cursor will then
@
be placed at the exponent.
Example
• Obtain a value of e
@ @ 3 E.
y
Squares the preceding number.
Example
• Obtain the answer to 12
12 y E
Note:
When no base number is entered, the base number area will be left
blank and just the exponent appear.
C y ;1 2 E
Enters "x
x
power. The inverse of "5", for example, is "
Example
• Raise 12 to the -1 power. (= 0.083333333)
1 2 @ x E
Note:
When no base number is entered, "x
blank.
C @ x ;1 2 E
d
Enters a mixed number.
Example
• Enter
4 d 5 ' 6
56
4
.
3
.
2
. (= 144)
-1
", and returns an inverse by raising a value to the -1
5
4
6
1
".
5
-1
" will be entered, with "x" left
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