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#### Search: #### Pi

-- Constant: %pi `%pi` represents the ratio of the perimeter of a circle to its diameter. The numeric value of `%pi` is the double-precision floating-point value 3.141592653589793d0.

There are also some inexact matches for `pi`. Try `?? pi` to see them. ```(%o1)                                true
(%i2) ```

### Related Examples

##### pi-plot2d-sin h1(x):=sin(2*x);

h2(x):=15*sin(4*x);

T:%pi;

Calculate

##### pi-solve

solve(4*pi()*r^2+2000...

Calculate

##### pi-plot2d pi:3.141592653589793;

U1:12;

U2:400;

Calculate

solver(pi);

Calculate

2+2;

3^100;

%pi;

Calculate

##### pi-sqrt

pi:3.141592654;

a:0.5*pi*sqrt(x/37.60...

Calculate

##### pi-sqrt

f(n):= 1/((2*n+1)*2^n...

Calculate

##### pi

n = 1;

h = 6.62606957e-34/(2...

m = 9.10938291e-31;

Calculate

##### pi

pi:3.141592653589793;

U1:12;

U2:600;

Calculate

##### pi-sin

x^2+3*sin(x/(2* %pi))=0;

Calculate 