Datexx DS-834, Руководство пользователя

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E - 10
5
3
15
124
15
4
√ √
√
c
b
c
b
c
b
e
d
c
b
c
b
c
b
c
b
9
4
4
3
36
7
Scientific calculation
Before performing the following calculation, check to see that
your calculator is fixed at 2 decimal places display format.
Reciprocal, Factorial
= ? 1.25 [ 2ndF ] [1/X] [ = ]
DEG
0.80
5! = ? 5 [ 2ndF ] [ X! ] [ = ]
DEG
120.00
Square, Square / Cubic Root, Power, Root
2
2
+ 3
4
= ? 2 [ X
2
] [ + ] 3 [ X
y
] 4 [ = ]
DEG
85.00
5 x
3
27 + 34 5 [ x ] 27 [ 2ndF ] [
3 √
]
DEG
20.83
= ? [ + ] 34 [
√
] [ = ]
9
72 = ? 72 [ 2ndF ] [
y
] 9 [ = ]
DEG
1.61
Logarithms and Antilogarithms
ln7 + log100 = ? 7 [ ln ] [ + ] 100 [ log ] [ = ]
DEG
3.95
10
2
= ? 2 [ 2ndF ] [ 10
x
] [ = ]
DEG
100.00
e
5
- e
– 2
= ? 5 [ 2ndF ] [ e
x
] [ – ]
DEG
148.28
2 [ +/– ] [ 2ndF ] [ e
x
] [ = ]
Fractional calculation
Fraction value display is as follow :
(Note) : Total of integer, numerator and denominator must be
within 10 digits, or the fractional value couldn’t be shown
completely.
By pressing [ 2ndF ] [ d/e ], the displayed value will be converted
to the improper fraction.
+ 7 2 [a ] 3 [ + ]
DEG
8
∪ ∪ ∪ ∪ ∪
4
┘ ┘┘ ┘┘
15
= 8 7 [a ] 3 [a ] 5 [ = ]
= [ 2ndF ] [ ]
DEG
124
┘ ┘┘ ┘┘
15
When a press of [a b/c] key after the [ = ] key or a fraction
performed with a decimal, the answer is displayed as a decimal.
5 + 3 5 [a ] 4 [a ] 9 [ + ]
DEG
9
∪ ∪ ∪ ∪ ∪
7
┘ ┘ ┘ ┘ ┘
36
= 9 [+] 3 [a ] 3 [a ] 4 [ = ]
5
┘ ┘ ┘ ┘ ┘
12 Display of
12
5
56
∪ ∪ ∪ ∪ ∪
5
┘ ┘
┘ ┘
┘
12 Display of 56
12
5
3
2
1.25
1
√
X