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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: 100;

7.506 * 357 * 150 / 3...

bloat(%o2);

Calculate

fpprec-plot2d-sin
plot2d(1-(mmfunc(x)/sin(x)),[x,0.0000000001,%pi/4]);

fpprec:100;

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

plot2d(1-(mmfunc(x)/s...

Calculate

fpprec-numer

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

r12brojno: r12, r1=10...

r12brojno, numer;

Calculate

fpprec-rat

fpprec:1000;

rat(4*(x+187650123)*(...

187650123^4;

Calculate

fpprec

fpprec:300;

p1:2.618b0;

a1:75000b0;

Calculate

fpprec-plot2d-sin
plot2d(1-(mmfunc(x)/sin(x)),[x,0,%pi/4]);

fpprec:100;

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

plot2d(1-(mmfunc(x)/s...

Calculate

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

fpprec:200;

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

RelError(x):=(1-(mmfu...

Calculate

fpprec

fpprec:40;

a:175000b0;

p:2.6151428600b0;

Calculate

fpprec-sum

sum (3*k+2, k, 1, 10);

fpprec:100;

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

Calculate

fpprec-solve

fpprec: 30;

eq1: (10+x)^2 = 100 +...

eq2: y^2 = z^2 + w^2;

Calculate