Percentage; Logarithm And Exponential; Trigonometric Calculations - Datexx DS-700 Owner's Manual

PERCENTAGE

To
Press
Calculate
6% of 1250
1250 [X] 6
=75
[2ndF][%][=]
65 + 15%
65 [+] 15
=74.75
[2ndF][%][=]
129.95 – 10% 129.95 [–] 10
=116.955
[2ndF][%][=]

LOGARITHM AND EXPONENTIAL

To
Press
Calculate
log 0.02
0.02 [log]
= –1.69897
In (50/3)
50 [ ] 3
=2.8134107 [=] [In]
10
7
7[y ] 10
8
=2.82475x10
[=]
5
56 56 [y ] 3
=2.236854
5 [2ndF]
[1/x] [=]

TRIGONOMETRIC CALCULATIONS

Repeatedly press DEG to select
degrees, radians or grads as the
trigonometric unit.
26
Display
75
74.75
116.955
Display
–1.698970004
2.813410717
282475249
x
56
2.236853829
To calculate
cos-1 0.5 = 66.666666 grads
Angular
Mode
GRAD
To calculate
tan /5 = 0.72654253
Angular
Mode
RAD
To calculate
sin 30˚ x
Angular
Mode
DEG
To calculate
5
90˚ = 1.5707963 radians
Angular
Mode
DEG
RAD
GRAD
Press
–1
0.5 [2ndF] [cos ]
Press
[2ndF] [ ] [ ] 5 [=]
[tan]
5 = 1.118034
Press
30 [sin] [x]
5 [ ] [=]
= 100 grads
Press
90
[2ndF] [DRG->]
[2ndF] [DRG->]
Display
6.666667
Display
0.62831853
0.726542528
Display
0.5
1.118033989
Display
90
1.570796327
100
27