#### OneidaFL

77.0/-7.77

MHF Hall of Honor
Hello OneidaFL
77.0/-7.77
I'm not sure why you should think that the answer may be undefined. Just use the ordinary rules of arithmetic:
$$\displaystyle \frac{77}{-7.77}=-\frac{77}{7.77}$$ (positive divided by negative equals negative)
$$\displaystyle =-9.9099$$, correct to 4 d.p.