%e displays numbers in scientific format. : float Display « Data Type « C Tutorial






#include <stdio.h>
main(){
   
    printf("%e", 123456.123456);
    printf("\n%e", 12345612345.6);

}
1.234561e+05
      1.234561e+10








2.20.float Display
2.20.1.Displaying Floating-Point Data Types with printf: %f
2.20.2.To create precision with floating-point numbers
2.20.3.%6f limits the output to only six digits
2.20.4.%e displays numbers in scientific format.
2.20.5.use the %E in printf() to display scientific-notation numbers
2.20.6.%g displays a floating-point number in either the %f or %e (scientific) format, depending on which is shorter.
2.20.7.Printing floating-point numbers with floating-point conversion specifiers