#define calculator_width 9
#define calculator_height 9
static unsigned char calculator_bits[] = {
   0xff, 0x01, 0x01, 0x01, 0x7d, 0x01, 0x01, 0x01, 0x55, 0x01, 0x01, 0x01,
   0x55, 0x01, 0x01, 0x01, 0xff, 0x01 };