
Elektronika MK-61 Calculator Operating Instructions
24
Draft version 1.0 – Oct.2014
Please send corrections to Jose Mesquita ([email protected])
8.
Calculation functions accuracy
Table 2
Function
Permissible argument values
Maximum relative
error
sin x
10
-99
≤ |x| ≤ 10
10
3*10
-7
cos x
10
-99
≤ |x| ≤ 10
10
3*10
-7
tg x
10
-99
≤ |x| ≤ 10
10
3*10
-7
arc sin x
|x| ≤ 1
3*10
-7
arc cos x
|x| ≤ 1
3*10
-7
arc tg x
|x| ≤ 9.9999999*10
99
|x| ≥ 1*10
-99
max
y ≠ 0; x ≠ 0
x
y
0 < x
1*10
-6
e
x
|x| < 100 ln 10
1*10
-7
x
2
|x| < 10
50
1*10
-7
10
x
|x| ≤ 99.999999
4*10
-7
1/x
x ≠ 0
1*10
-7
√x
0 ≤ x
1*10
-7
ln x
0 < x
4*10
-7
lg x
0 < x
4*10
-7
H
H.M
-1*10
-99
≤ |x| < -0.06
1*10
-7
H
H.M
-0.06 < x ≤ 9,9999999*10
99
1*10
-7
H
H.M.S
-1*10
-99
≤ |x| < -0.06
1*10
-7
H
H.M.S
-0.06 < x ≤ 9,9999999*10
99
1*10
-7