One must not think and speak of Iran as a nation state or Iranian culture as restricted only to the political boundaries of ...

As the prin­ci­pal own­ers of Blue Wa­ters re­main in prison fol­low­ing their de­ten­tion un­der Pre­ven­tive De­ten­tion Or­ders (PDOs), state-owned Caribbean Air­lines (CAL) has stopped serv­ing ...

JavaScript is disabled in your web browser or browser is too old to support JavaScript. Today almost all web pages contain JavaScript, a scripting programming language that runs on visitor's web ...

A function, 𝑓(𝑥) relates an input and an output. The equation 𝑦 = 𝑥² can be written as the function 𝑓(𝑥) = 𝑥². The notation for a function is 𝑓(𝑥) or 𝑔(𝑥) or ℎ(𝑥) and so on. Sometimes ...