Rayhan’s blog (raynux.com)

Though it is a government holyday, I passed the whole day in different way and gathered a lot of experiences in setting up a complete networking system with active directory. I took to working remotely, working from home, as my father has been requiring a bit more constant care with his age. Of course I’m [...]

I have very little knowledge on C. With this little knowledge I am helping a student of EEE department of BUET. I am requested to help in writing a program to perform addition and multiplication of two large number. In C there is no builtin datatype for large number and as a PHP programmer we [...]