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k Logarithmic and Exponential Functions
•Be sure to specify Comp for Mode in the Setup screen.
Example Operation
log 1.23 (log101.23) = 0.08990511144 l1.23w
log2 8 = 3 <Line>
K4(CALC)6(g)4(log
a
b)2,8)w
<Math>
4(MATH)2(log
a
b) 2e8w
In 90 (loge90) = 4.49980967 I90w
10
1.23
= 16.98243652 !l(10
x
)1.23w
(To obtain the antilogarithm of common
logarithm 1.23)
e
4.5
= 90.0171313 !I(e
x
)4.5w
(To obtain the antilogarithm of natural
logarithm 4.5)
(–3)
4
= (–3) × (–3) × (–3) × (–3) = 81 (-3)M4w
–3
4
= –(3 × 3 × 3 × 3) = –81 -3M4w
1
<Line>
7
(= 123
7
) = 1.988647795
7!M(
x
)123w
123
<Math>
!M(
x
)7e123w
<Line>
2 + 3 ×
3
– 4 = 10 2+3*3!M(
x
)64-4w*
1
64
<Math>
2+3*!M(
x
)3e64e-4w
2-4-5
Function Calculations
*
1
^ (x
y
) and
x
take precedence over
multiplication and division.
# You cannot use a differential, quadratic
differential, integration, Σ, maximum/minimum
value, Solve, RndFix or log ab calculation
expression inside of a log ab calculation term.
# The Linear input mode and Math input mode
produce different results when two or more
powers are input in series, like: 2M3M2.
Linear input mode: 2^3^2 = 64
Math input mode:
= 512
This is because the Math input mode internally
treats the above input as: 2^(3^(2)).
87


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