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

Algebra Calculator

#### Bfloat

Function: bfloat (<expr>) Converts all numbers and functions of numbers in <expr> to bigfloat numbers. The number of significant digits in the resulting bigfloats is specified by the global variable `fpprec`.

When `float2bf` is `false` a warning message is printed when a floating point number is converted into a bigfloat number (since this may lead to loss of precision).

There are also some inexact matches for `bfloat`. Try `?? bfloat` to see them.

```(%o1)                                true
(%i2) ```

### Related Examples

##### bfloat-diff-disp-print

f(x) := x^2-2;

f(x) := x^3-2*x+2;

f1(x) := ''(diff(f(x)...

Calculate

##### bfloat-cos-fpprec-pi-product-sqrt

f1(n,h):= sqrt(1-cos(...

f2(n):=product( f1(n,...

bfloat( f2(155)), fpp...

Calculate

##### bfloat-binomial-exp-pi-sqrt

binomial(100,3)*35^97...

xk: (3-100/36)/sqrt...

Dlta: sqrt(100*1/36*3...

Calculate

##### bfloat-fpprec-sum

fpprec:100;

term(k) := 1/(16^k)*(...

value(n) := sum (term...

Calculate

##### bfloat-fpprec-makelist-numer-sum

rieman(s, k):=sum(n^(...

fpprec:40;

%pi, numer;

Calculate

##### bfloat-pade-plot2d-taylor

f(x) := x^(1/12);

k : 5;

n : 2*k;

Calculate

u:sqrt(3)*230;

float(u);

fpprec:50;

Calculate

##### bfloat-fpprec-substring

n:401;

/* zde se zadá n-té ...

substring(string(bflo...

Calculate

##### bfloat-ratsimp-sqrt

f(x,a):=(x+a/x)/2;

a: ratsimp(f(x,y));

b: ratsimp(f(a,y));

Calculate

##### bfloat-fpprec-numer-solve

fpprec: 3;

solve(x-4.33333), numer;

bfloat (%);

Calculate