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The Maxima on-line user's manual

Algebra Calculator

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Fpprec

-- Option variable: fpprec Default value: 16

fpprec is the number of significant digits for arithmetic on bigfloat numbers. fpprec does not affect computations on ordinary floating point numbers.

r(x, N) := x^(1/N);
n : 12;
l : 1/(2^n);
t(x, n) := taylor(r(x, n), x, 0, 10);
plot2d([r(x,n), t(x, n) ], [ x, l, 1]);
load("f90");
f90(t= t(x,2));
fpprec: 128;
bfloat(sqrt(%pi));

See also bfloat and fpprintprec.

(%o1)                                true
(%i2) 

Related Examples

fpprec

fpprec:40;

a:175000b0;

p:2.6151428600b0;

Calculate

fpprec-solve

g1:2*ka+ku=8;

g2:3*ka+4*ku=20;

E:solve([g1,g2],[ka,k...

Calculate

fpprec-fpprintprec-linsolve-numer

eq1:x*4+y-2=y;

eq2:x+2=y;

linsolve([eq1,eq2],[x...

Calculate

fpprec-hypergeometric-true

hypergeometric([1],[2...

hypergeometric([-3],...

hypergeometric([-3],...

Calculate

fpprec-numer

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

r12brojno: r12, r1=10...

r12brojno, numer;

Calculate

fpprec-fpprintprec-solve

eq1:x*4+y-2=y;

eq2:x+2=y;

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

Calculate

fpprec

fpprec:100;

avg:2.6151428571b0;

fpprec:10;

Calculate

fpprec-rat

fpprec:1000;

rat((x+237650128)*(x-...

Calculate

fpprec-rat

fpprec:1000;

rat(4*(x+287650123)*(...

Calculate

fpprec-numer

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

r12brojno: r12, r1 = ...

r12brojno, numer;

Calculate