### The Maxima on-line user's manual

Algebra Calculator

#### 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-tan

plot2d((tan((x*%pi)/4...

Calculate

tan((%-3*pi)/4);

Calculate

##### pi-sinh-solve

eq1:e^(a*2*pi)=sinh(c...

eq2:c=-arcoth(x);

solve([eq1,eq2],[x]);

Calculate

##### pi-sin-subst

eq1:5*x+pi;

eq2:"world! ";

bb:subst(3.14,pi,eq1);

Calculate

##### pi-plot2d-sin

f(x):=(4/%pi)*( (sin(...

g(x):=(4/%pi)*( (sin(...

h(x):=(4/%pi)*( (sin(...

Calculate

##### pi-plot2d-sin-sqrt-subst-taylor

Wkin : taylor(sqrt(1+...

WW : subst(sin(17/x*%...

plot2d([WW], [x,2,16]...

Calculate

a: 3+%i*2;

b: 5+%i*1;

c: a+b;

Calculate

2+2;

1+1;

tan(Pi/2 -x);

Calculate

a(a):=a*33*(pi);

Calculate

##### pi-tan

tan(((−3)*(%pi))/4);

Calculate