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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-pi-sin

fpprec:1000;

sin(%pi);

Calculate

fpprec

fpprec : 100;

Calculate

fpprec-plot2d-sin
plot2d(1000-(mmfunc(x)*1000/sin(x)*1000),[x,0.0000000001,%pi/4]);

fpprec:200;

mmfunc(x):= x-0.16666...

plot2d(1000-(mmfunc(x...

Calculate

fpprec-numer

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

r12brojno: r12, r1=10...

r12brojno, numer;

Calculate

fpprec-fpprintprec-linsolve-matrix

fpprec: 100;

fpprintprec: 15;

A: matrix([420.42725b...

Calculate

fpprec-numer

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

r12brojno : r12, r1=1...

r12brojno , numer;

Calculate

fpprec

fpprec: 64;

fpprint;

Calculate

fpprec-fpprintprec

fpprintprec :3;

fpprec:2;

x:305453.45145;

Calculate

fpprec-fpprintprec-linsolve-matrix

fpprec: 100;

fpprintprec: 15;

A: matrix([420.42725b...

Calculate

fpprec-sqrt

fpprec:5;

f(x)=sqrt(2^2-x^2+100);

f(9);

Calculate