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The Maxima on-line user's manual

Algebra Calculator

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Float

Function: float (<expr>) Converts integers, rational numbers and bigfloats in <expr> to floating point numbers. It is also an evflag, float causes non-integral rational numbers and bigfloat numbers to be converted to floating point.

par(a,b):=(a*b)/(a+b);
pd(t,b):=b/(t+b);
eq1:pd(1.5e6,par(Ra,1.5e6))=1/40;
solve([eq1],[Ra]);
eq2:eq1:pd(1.5e6,par(Rb+39e3,1.5e6))=1/20;
solve([eq2],[Rb]);
eq3:eq1:pd(1.5e6,par(Rc+39e3+43e3,1.5e6))=1/4;
solve([eq3],[Rc]);
float(pd(1.5e6,par(40e3,1.5e6))*40*10);
float(pd(1.5e6,par(40e3+43e3,1.5e6))*20*5);
float(pd(1.5e6,par(40e3+43e3+680e3,1.5e6))*4);

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

(%o1)                                true
(%i2) 

Related Examples

float

a=1;

b=2;

float(a+b);

Calculate

float-load

monto:15265;

meses:36;

tasa_t:24/100;

Calculate

float-load-max

load("unit");

setunits([second]);

ddot_max:2*mm/a;

Calculate

float-solve

k_dp:188;

k_ds:11501;

Ie:0.16;

Calculate

float-solve

xx:-6+(5.1/2)*12*12-5...

/*======*/V:5.1*18-55.2;

solve(3*x**2-4*x-2,x)...

Calculate

float-max-plot2d-solve-sqrt
plot2d([iquar,icub,isqr,100,lin,sqrt,sqr,cub,quad],[x,0,range],[y,0,max]);

range: 27;

max:230;

rangeb: 15;

Calculate

float-last-solve

MN:49;

sN:(1500-1450)/1500;

MK:MN*3.1;

Calculate

float

float((32397750000000...

Calculate

float-limit

float(limit(2^(1/x),x...

Calculate

float-log-plot2d
plot2d(t*1000,[R2,0,4700]);

R1: 2000;

x:4000;

Ri1: R1*R2/(R1+R2)+1000;

Calculate