x: Double = 7.7
y: Double = x - 1.1
Print y

x: Double = 7.7
y: Double = x - Double(1.1)
Print y

x: Double = 7.7
y: Double = x - 1.1
Print y

x: Double = 7.7:Double
y: Double = x - 1.1:Double
Print y

#include <stdio.h>

int main()
{
   float a = 7.7;
   float b = 1.1;
   printf("%f\n%f\n%f\n", a, b, a-b);
   a = 13.674304;
   b = 5.871472;
   printf("%f\n%f\n%f\n", a, b, a-b);
   return 0;
}

BBString *bbStringFromDouble( double n ){
   char buf[64];
   sprintf( buf,"%#.17lg",n );
   return bbStringFromCString(buf);
}

Strict

Import "code.cpp"

Rem Inhal von Code.cpp
   #include <stdio.h>
   
   extern "C"
   {
       void Output(double zahl)
       {
           char* txt = "C Output: ";
           printf("%s%f\n", txt, zahl);
       }
   }
      
End Rem


Extern
   Function Output(zahl:Double)
End Extern

Function Sub:Double(zahl1:Double, zahl2:Double)
   Return zahl1-zahl2
End Function


Local zahl1:Double=7.7, zahl2:Double=1.1
Local Result:Double

Result =  Sub(zahl1, zahl2)

Print "BMX Output: "+Result
Output(Result)

BMX Output: 6.5999997854232788
C Output: 6.600000

#include <stdio.h>

int main(int argc, char *argv[]) {
   double x = 7.7;
   double y = x - 1.1;

   printf("y = %g\n", y);
   printf("y = %18.17g", y);

   return 0;
}

y = 6.6
y = 6.5999999999999996