Did Microsoft make their online office from scratch ? Or Are there any tools available to convert PC source code to web one ?
How do I change negative multiplicative inverse to positive ? -LRB- i.e. 0 − 5 -LRB- 70 -RRB- ≡ 22 -LRB- 70 -RRB- -LRB- mod27 -RRB- -5 === > 22 -RRB-