#include

double getvalue $($double$,$ int$)$;

int factorial $($int$)$;

int main $()$

$\{$

int n;

double x;

double series;

printf$("$This program calculates e$^$x

$")$;

printf$("$using sum of $($x$^$k$)/$k$!$

$")$;

printf$("$Enter x$,$ n : $")$;

scanf$("\%$lf$\%$d$",$&x$,$&n$)$;

printf$("$x$,$n $=\%8\mathrm{.}4$lf $\%4$d

$",$x$,$n$)$;

series $=$ getvalue$($x$,$n$)$;

$//$printf$("$e$^$x $=\%14\mathrm{.}10$lf

$",$series$)$;

printf$("$e$^\%$lf $=\%14\mathrm{.}10$f

$",$ x$,$ series$)$;

return$(0)$;

$\}$

double getvalue $($x$,$n$)$

double x;

int n;

$\{$

int k;

double value $=0\mathrm{.}0$;

double xpow $=1\mathrm{.}0$;

for $($k $=0$; k $<=$ n; k$++)$

$\{$

value $+=$ xpow $/$ factorial$($k$)$;

xpow $=$ xpow $*$ x;

$\}$

return$($value$)$;

$\}$

int factorial $($number$)$

int number;

$\{$

int j;

int fact $=1$;

for $($j $=1$; j $<=$ number; j$++)$

$\{$

fact $=$ fact $*$ j;

$\}$

return$($fact$)$;

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