{ TAYLOR.PAS                                     Copyright (c) Pheo }
{ Vypocita hodnotu e na x-tu. Pouzije taylorov rad.                 }
{                   2           n                                   }
{   x        x     x           x                                    }
{  e  = 1 + --- + --- + ... + ---                                   }
{            1!    2!          n!                                   }
{                                                                   }
{ Datum:22.03.2005                             http://www.trsek.com }

program taylor;
uses crt;
var s,i,expo:integer;
    expx:real;

function mocnina(x,n:integer):longint;
var i,m:longint;
begin
     m:=1;
     for i:=1 to  n do m:=m*x;
     mocnina:=m;
end;

function fakt(n:integer):longint;
var i,f:longint;
begin
     f:=1;
     for i:=1 to n do f:=f*i;
     fakt:=f;
end;

begin
     write('Zvol stupen presnosti do 15:');
     read(s);
     write('Zvol exponent:');
     read(expo);
     expx:=1;
     for i:=1 to s do
     expx:=expx + mocnina(expo,i)/fakt(i);
     writeln('e na ',expo,' = ',expx:2:5);
     repeat until keypressed;
end.