Mathematical
2021-12-15
App description
The adjacent side of angle a is called the cosine of ∠A, which
is called cos A, that is, cos A = the adjacent/hypo...
2021-12-15
y=cotangent(x)
X(deg)
X(Rad)
y=cotangent(X)
180 ̊
π
Out of Range
150 ̊
5π/6
-1.732051
135 ̊
3π/4
-1
120 ̊
2π/3
-0.57735...
2021-12-15
App description
Pyramid-related geometric calculation formula:
\(S=nf+F\)
\(S1=nf\)
\(V= \frac {1}{3} Fh\)
In the formula:
f---co...
2021-12-15
App description
The sphere surface area \(S=4πr^2\)
The sphere volume \(V= \frac {4}{3} πr^3\)
Usage example
Input data:
R-radius:...
2021-12-15
App description
Arbitrary quadrilateral area calculation
\(F=\frac {d2}{2} (h1+h2)= \frac {d1 \times d2}{2} sina\)
d1, d2 - two ...
2021-12-15
Inscribed triangle calculator
Inscribed triangle
...
2021-12-15
App description
Exolateral triangle calculation
\(S=√[p(p-a)(p-b)(p-c)]\)
\(r= \frac {S}{p}=√[ \frac {(p-a)(p-b)(p-c)}{p} ]\)
p -...
2021-12-15
App description
Quarter area calculation
\(S= \frac {π}{4} r^2\)
\(S=0.7854r^2\)
\(S=0.3927c^2\)
R——small circle radius
C——chord ...
2021-12-15
App description
Ball ring surface area and volume calculation formula:
\(F=4π^2Rr\)
\(V=2π^2Rr^2\)
In the formula:
R---turning rad...
2021-12-15
App description
Circular tee area calculation formula:
\(S= \frac {D+d}{2} πH+ \frac {D+d1}{2} πh=1.5708[(D+d)H+(D+d1)h]\)
In the ...