> For the complete documentation index, see [llms.txt](https://acristea.gitbook.io/bti-suport-seminar/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://acristea.gitbook.io/bti-suport-seminar/seminar-5/conversia-bazei-de-numeratie.md).
# Conversia bazei de numerație
## b -> 10
$$
N\_{(b)}=b\_n b\_{n-1} ... b\_{1}b\_{0}b\_{-1}b\_{-2}...
$$
$$
N\_{(10)} = b\_n\*b^n + b\_{n-1}\*b^{n-1}+ ... + b\_{1}\*b^{1}+b\_{0}\*b^{0}+b\_{-1}\*b^{-1} +b\_{-2}\*b^{-2} +...
$$
## 10 -> b
## 2 -> 8
## 2 -> 16
