In numerical analysis, one or more guard digits can be used to reduce the amount of roundoff error. Suppose that the final result of a long, multi-step...

Significant figures, also referred to as significant digits or sig figs, are specific digits within a number written in positional notation that carry...

Special "guard patterns" (3 or 5 units wide, not encoding a digit) are intermixed to help decoding. A UPC (technically, a UPC-A) consists of 12 digits that...

prenormalize unnormalized values, and truncate the result after one guard digit. There is a halve operation to simplify dividing by two. Starting in...

low-value coins Data binning, a similar operation Gal's accurate tables Guard digit Interval arithmetic ISO/IEC 80000 Kahan summation algorithm Party-list...

the Check Digit is to help guard against the possibility of incorrect entries to the CEIR and EIR equipment. The presentation of the Check Digit both electronically...

uncountably many real numbers. Additional digits used for intermediary steps of a calculation are known as guard digits. Rounding multiple times can cause error...

dictate. Coast Guard aircraft callsigns are almost always the word "Coast Guard" and the 4-digit aircraft number, e.g., "Coast Guard Six-Five-Seven-Niner...

cancellation Condition number Discretization error Floating point number Guard digit — extra precision introduced during a computation to reduce round-off...

telephone numbering plan uses a two-digit area code plus eight-digit local phone numbers for landlines and nine digits for mobile lines. Public utility services...