Below are the conversion equations expressed to six decimal digits of precision. This gives an approximate precision in number of decimal digits. The second layer encodes that number as a sequence of bits or decimal digits. The table shows both the decimal and the hexadecimal option numbers. Some styles use decimal or hexidecimal numbers. This gives from 6 to 9 significant decimal digits precision. The final conversion is from binary to decimal fractions. Representing ratios as decimal fractions simplifies their comparison. Japanese has two systems of numerals for decimal fractions. Hz in both binary and decimal counting systems. Palindromic numbers can be considered in numeral systems other than decimal. Multiplication in binary is similar to its decimal counterpart. The values containing a decimal point are approximate. This gives an approximate value of the maximum decimal exponent. The 6502 is capable of performing addition and subtraction in binary or binary-coded decimal.