Appendix A
Q Format Shift With Fractional Multiplication
Consider normal multiplication as below:
In this example there is no decimal point consideration, as both numbers are integers.
Now look at the same number, but with a different decimal point arrangement.
How do we know where to place the decimal point, if we are doing this multiplication by hand? One way is by sanity check 5 × 10 = 50, so the answer of 53.248 obviously has the correct decimal point. But the way most of us learned in grade school was that the product should have the same number ...