View Compilation Error

0_0_19096238_13440.c: In function 'main':
0_0_19096238_13440.c:46:17: error: expected expression before '/' token
                 //printf("%d\n",calcDec(num));
                 ^
0_0_19096238_13440.c:47:17: error: expected expression before '/' token
                 //printf("%d\n",calcHex(num));
                 ^
0_0_19096238_13440.c:48:17: error: expected expression before '/' token
                 //printf("%d\n",calcTwe(num));
                 ^