Fix dumb mistake

include/constants.hpp

@@ -12,10 +12,10 @@
 #ifndef __CONST__
 #define __CONST__
 
-#define K_E 138935.333 ///< Coulomb constant. unit: \f$\frac{u(\mu m)^3}{(\mu s)^2 e^2}\f$
+#define K_E 1.38935333*1e5 ///< Coulomb constant. unit: \f$\frac{u(\mu m)^3}{(\mu s)^2 e^2}\f$
 
-#define T 96.4852558 ///< 1 Tesla. unit: \f$ \frac{u}{(\mu s) e} \f$
+#define T 9.64852558*1e1 ///< 1 Tesla. unit: \f$ \frac{u}{(\mu s) e} \f$
 
-#define V 96485255.8 ///< 1 Volt. unit: \f$ \frac{u (\mu m)^2}{(\mu s)^2 e} \f$
+#define V 9.64852558*1e7 ///< 1 Volt. unit: \f$ \frac{u (\mu m)^2}{(\mu s)^2 e} \f$
 
 #endif