As Marcus says, the devil is often in the details in cases like this, “some decimal point in the wrong place.”
|decimal point |
A period used in decimal notation to separate whole numbers from fractions, as in the number 1.3, which represents 1 + 3/10 .
|decimal fraction |
A decimal having no digits to the left of the decimal point except zero, such as 0.2 or 0.00354.