You can use the built-in Calculator in Windows to carry out Decimal to Binary conversions. The Windows Calculator file is a UWP app and to open it, type calc in the Start Search bar, and hit Enter.

Decimal notation describes numbers using the digits 1 through 10. Binary notation describes them using just two digits, 1 and 0, where each bit in a string represents a power of 2. The right-most bit ...

The binary conversion function has an index of 0 to 18, while the BCD conversion function uses an index of 0 to 20. The decimal range of 0 to 99,999 determines these indices.