69
57
No.
Name of Formula
Formula Equation
1. Triangular area:
2. Circular area:
3. Fan-shaped area:
4. Area of parallelogram:
5. Elliptical area:
6. Trapeziform area:
7. Spherical surface area:
8. Cylindrical surface area:
9. Spherical volume:
10. Cylindrical volume:
11. Conical volume:
12. Sum of arithmetic progression:
13. Sum of geometric progression:
14. Sum of square number:
15. Sum of cubic number:
16. Distance between arbitrary two points:
17. Included angle of the intersecting lines:
18. Law of cosines:
19. Law of sines:
20. Displacement of uniformly accelerated linear motion:
21. Velocity of uniformly accelerated linear motion:
22. Period of circular motion (1):
23. Period of circular motion (2):
24. Period of simple pendulum:
25. Electric oscillation frequency:
26. Resistive formula:
27. Joule's theorem (1):
28. Joule's theorem (2):
29. Resistance of shunt resistance:
30. Kinetic energy:
31. Gravitational potential energy:
32. Centrifugal force (1):
bcSinA
S
2
1
=
S
=
r
2
θ
2
2
1
r
S
=
θ
abSin
S
=
ab
S
π
=
h
b
a
S
)
(
2
1
+
=
2
4
r
S
π
=
)
(
2
r
h
r
S
+
=
π
3
3
4
r
S
π
=
h
r
V
2
π
=
h
r
V
2
3
1
π
=
]
)
1
(
2
[
2
1
0
d
n
a
n
S
−
+
=
1
)
1
(
0
−
−
=
r
r
a
S
n
)
1
2
(
)
1
(
6
1
+
+
=
n
n
n
S
2
))
1
(
2
1
(
+
=
n
n
S
2
1
2
2
1
2
)
(
)
(
y
y
x
x
d
−
+
−
=
2
1
1
1
2
tan
1
k
k
k
k
+
−
=
−
θ
A
bc
c
b
a
cos
2
2
2
−
+
=
A
r
a
sin
2
=
2
0
2
1
at
t
v
d
+
=
at
v
v
+
=
0
v
r
T
/
2
π
=
ω
π
/
2
=
T
g
l
T
π
2
=
LC
f
π
2
1
=
s
l
R
⋅
=
ρ
R
V
P
2
=
R
I
P
2
=
2
1
2
1
R
R
R
R
R
+
∗
=
2
2
1
mv
E
=
mgh
E
=
r
mv
F
/
2
=
