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The Maxima on-line user's manual

Algebra Calculator

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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.

define_variable (foo, 0, float);
fpprec : 600;
for m:301 step 1 thru 310 do(foo: bfloat(sum(k^m/3^k,k,1,2100)),foo: foo-floor(foo),disp(m,foo));

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-fpprec

fpprec:5;

bfloat(7.12345);

Calculate

bfloat-binomial-block-distrib-floor-load-sum

load(distrib);

trufas(brotes):=block...

total(n,k,d,esp,p):=b...

Calculate

bfloat-diff-plot2d
plot2d([0,f(x)],[x,0,1]);

f(x):= x^5+1/2*x-1;

diff(f(x),x);

plot2d([0,f(x)],[x,0,...

Calculate

bfloat-float-fpprec-pi-sqrt

u:sqrt(3)*230;

float (u);

fpprec:24;

Calculate

bfloat-diff-plot2d
plot2d([0,f(x)],[x,0,1]);

f(x):= x^5+1/2*x-1;

diff(f(x),x);

plot2d([0,f(x)],[x,0,...

Calculate

bfloat-cfdisrep-cflength-ev-flength-fpprec

cflength:5;

fpprec:60;

ev(cfdisrep(cf(123456...

Calculate

bfloat-fpprec-fpprintprec

fpprec:1000;

fpprintprec:1000;

bfloat(14411518807585...

Calculate

bfloat-float

r1: 10*ohm;

r2: 20*ohm;

r12: 1/(1/r1 + 1/r2);

Calculate

bfloat-bftorat-fpprec-log-makelist-true

bftorat: true;

fpprec: 64;

makelist(bfloat(log(0...

Calculate

bfloat-bftorat-block-delete-false-if-integerp-mod-ratdenom-ratepsilon-ratprint

delete(%pi, [0, 3.141...

ratprint:false;

lastdigits(fnum, last...

Calculate