User Manual
cos [ ]
π
4
rad =
[ON/C] [cos] [( ]
[2ndF] [π] [÷] 4 [ ) ] [=]
RAD
0.707106781
RAD
tan
-1
1=[ ] [ON/C] [2ndF] [tan ] 1
[=]
-1
GRAD GRAD
[g]
• Wyniki obliczeń wartości funkcji trygonometrycznych
odwrotnych wyświetlane są w następującym zakresie:
θ = sin
-1
x
θ = tan
-1
x
θ =cos x
DEG
-90 ≤ θ ≤ 90 0 ≤ θ ≤ 180
RAD
0 ≤ θ ≤ π
GRAD
-100 ≤ θ ≤ 100 0 ≤ θ ≤ 200
(1) (2) (3)
(cosh 1.5 +
sin 1.5)
2
=
[ON/C] [( ] [hyp] [cos] 1.5
[+] [hyp] [sin] 1.5 [ )]
[x
2
] [=]
tanh
−
=
1
5
7
[ON/C] [2ndF] [10
x
] 1.7
[=]
50.11872336
1
6
1
7
+
[ON/C] 6 [2ndF] [x
-1
]
[+] 7[2ndF] [x
-1
] [=]
0.309523809
8 -3 ×5 =
-2 4 2
[ON/C] 8 [y
×
] [+/-] 2 [-]
3 [y
×
] 4 [×] 5 [x
2
][=]
-2024.984375
(12
3
)
1
[ON/C] 12 [y
×
] 3 [y
×
] 4
[2ndF] [x
-1
] [=]
6.447419591
9
50.
-1
−
π
2
π
2
θ ≤ θ ≤
(4)
20.08553692
[ON/C] [2ndF] [archyp]
str. 20 Kalkulator naukowy EL-531 LH
[tan] [( ] 5 [÷] 7 [ )]
[=]
0.895879734
In 20 = [ON/C] [In] 20 [=]
2.995732274
log 50 = [ON/C] [log] 50 [=]
1.698970004
[ON/C] [2ndF] [e
×
] 3 [=]
20.08553692
10
1.7
=
(1) (2) (3) (4)
49 − 81
4
=
[ON/C] [√] 49 [-] 4
[2ndF] [√] 81 [=]
4.
4! [ON/C] 4 [2ndF] [n!] [=]
24.
n! = n .(n-1). (n-2)...2 . 1
10
P =
n
rn r
!
!( )!−
e
3
=
(4×3×2×1 =)
3
n
P
r
= (n-r) !
[ON/C] 10 [2ndF] [n Pr]
3 [=]
720.
5
C =
2
n
C =
r
[ON/C] 5 [n Cr]
2 [=]
10.
500×25 % = 500 [×] 25 [%]
125.
120÷400 =? % 120 [÷] 400 [%]
30.
500+ (500×
25 %)
500 [+] 25 [%]
625.
400-(400×
30 %)
400 [-] 30 [%]
280.
Zmiana jednostki miary kątów
2
[]rad
(1) (2) (3) (4)
90 →?[rad]
o
→?g
90
[2ndF] [DRG ]
Obliczenia z wykorzystaniem pamięci
[2ndF] [DRG ]
[2ndF] [DRG ]
RAD
1.570796327
GRAD
100.
DEG
90.
DEG
100g
90°
sin
0.8 = ?
-1 o
→?[rad]
→?g
[2ndF] [sin ]
-1
0.8 [=]
[
2ndF] [DRG ]
[2ndF] [DRG ]
DEG
53.13010235
RAD
0.927295218
GRAD
59.03344706
°
°(DEG)
[rad]
g
180° = π [rad] = 200 (π = 3.141592654)
g
(1) (2)
24+(8×2) =
(8×2)×5 =
8 [×] 2 [STO] [M]
24 [÷] [RCL] [M] [=]
[RCL] [M] [×] 5 [=]
16.
M
1.5
M
80.
M
$
23+45+78 =
+)52-31+43 =
-)64+73-12 =
(A)
[ON/C] [STO] [M]
23 [+] 45 [+] 78 [M+]
52 [ -] 31 [+] 43 [M+]
64 [+] 73 [ -] 12
[2ndF] [M-]
[RCL] [M]
0.
146.
M
64.
M
125.
M
85.
M
(A)
$1 = Υ104
Υ25,090 = $?
104 [STO] [Y]
25090 [÷] [RCL] [Y]
[=]
104.
241.25
%
$2,750 =Υ? 2750 [×]
[RCL] [Y] [=]
286000.
r = 3cm
πr2 = ?
(r → Y)
3 [STO] [Y]
[2ndF] [π] [2ndF] [ALPHA]*
[Y] [x
2
] [=]
3
28.27433388
24
46
24
+
= . ...( )A
3×(A)+60+(A)=
24 [÷] [( ] 4 [+]
6 [ )] [=]
3 [×] [2ndF] [ANS]
[+] 60 [÷]
[2ndF] [ANS] [=]
2.4
32.2
&
(A)
DEG
90.
(3) (4)
Kalkulator naukowy EL-531 LH str. 21
$ Pamięć niezależna
% Pamięć ostatniego wyniku
& Pamięć tymczasowa
* Pomiędzy wartością "π" a zmienną można pominąć znak
mnożenia.
Obliczenia na u³amkach
(1) (2) (3)
3
1
2
4
3
4
5
6
29
6
+
= ()
3 [a
b
/c] 1 [a
b
/c] 2 [+]
4[a /c] 3 [=]
b
[a /c]
b
[2ndF] [d/c]
4┌ 5┌ 6
4.833333333
29 ┌ 6
2
8
9
3
=
[ON/C] [2ndF] [
3
] 2 [a
b
/c]
8
[a
b
/c] 9 [=]
1.424219561
str. 22 Kalkulator naukowy EL-531 LH
Obliczenia na wartościach dziesiętnych i sześćdziesiętnych
(1) (2) (4)
12 39'18"05
o
→ ? (10) $
12 [D M'S] 39 [D M'S]
O O
18 [D M'S] 5
O
[2ndF] [↔DEG]
12.65501389
12.6550138
o
123.678
→ ? (60)%
123.678 [2ndF]
[↔DEG]
123 40'40.80
o
123
o
40'40"80
3h30m45s +
6h45m36s =
? (60) %
3 [
D M'S] 30 [D M'S]
O O
45 [+]
6 [
D M'S] 45 [D M'S]
O O
36 [=]
10
o
16'21.00
10h16m21s
3h45m -
1.69h =
? (60) %
3 [
D
O
M'S] 45 [-]
1.69 [=] [2ndF] [↔
DEG]
2 03'36.00
o
2h3m36s
sin62 12'
o
24" =
? (10) $
[
ON/C] [sin] 62
[D M'S]
O
12 [D
O
M'S] 24 [=]
0.884635235
DEG
(3)
$ Liczba dziesiętna
% Liczba sześćdziesiętna
Konwersja współrzędnych
(1) (2) (3) (4)
y = 4
↓
r = ?
θ = ?
6 [2ndF] [ , ] 4
[2ndF] [#rθ]
[→]
[←]
4.
7.211102551
→
←33.6900675
3
7.211102551
→
DEG
r
θ
r
θ =
π
5
↓
x = ?
y = ?
14 [2ndF] [ , ]
[2ndF] [π] [÷] 5
[2ndF] [#
×
y]
[→]
[←]
11.32623792
→
←8.22899353
2
11.32623792
→
RAD
x
y
x = 6
r = 14
x
4
π
{
{
{
{
n!