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Math tool
This page is a web application that solve an equation of higher degree, simultaneous equations, partial fraction decomposition.
Transfer function analysis and design tool
Equation of higher degree
a
0
x
n
+
a
1
x
n
-
1
+
•••
+
a
n
-
1
x
+
a
n
=0
Example
x
4
-10
x
3
+35
x
2
-50
x
+24=0
The following form is an example to input
G
(
s
)
. Use the right form to simulate.
(maximum
n
=12)
a=
Partial fraction decomposition
↓
Transient analysis condition is
n
≥
m
. maximum
n
=12
Example
f
(
x
)=
10
x
3
+80
x
2
+200
x
+154
x
4
+10
x
3
+35
x
2
+50
x
+24
The following form is an example to input. Use the right form to calculate.
b=
a=
b=
a=
Simultaneous equations
Example
2
x
1
-7
x
2
+6
x
3
=4
-5
x
1
-
x
3
=1
4
x
1
+3
x
2
= -9
The following form is an example to input. Use the right form to calculate.
2 -7 6 -5 0 -1 4 3 0
4 1 -9
maximum
n
=8
Scientific Calculator
Pop-up
Example
e
-(1e3/100e-6)
cos 10e3/(2ƒÎ*100e-6)
The following form is an example to input. Use the right form to calculate.
PI
π
E
e (base of the natural logarithm)
abs(
x
)
|
x
|
pow(
x
,
y
)
x
y
sqrt(
x
)
√
x
exp(
x
)
e
x
log(
x
)
log
e
x
LN10
log
e
10
sin(
x
)
sin
x
(x is in radian)
cos(
x
)
cos
x
(x is in radian)
tan(
x
)
tan
x
(x is in radian)
asin(
x
)
asin
x
(result is in radian)
acos(
x
)
acos
x
(result is in radian)
atan(
x
)
atan
x
(result is in radian)
Example
Variables can be used. Variables are held while the page is open.
L=100e-6 [Calculate]
C=47e-6 [Calculate]
w0=1/(L*C) [Calculate]
f0=0.5*w0/PI [Calculate]
equ. =
↓
ans. =
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Electric Design