What is another word for ready reckoner?
Pronunciation: [ɹˈɛdi ɹˈɛkənə] (IPA) 
Ready reckoner is a term that describes a guide or manual used for quick calculations or estimations. There are several synonyms for this term including cheat sheet, reference book, shortcut guide, quick reference, and handy manual. These synonyms all refer to a resource that can be used to simplify complex tasks and provide easy access to important information. Ready reckoners can be found in various forms including online resources, printed books, and even mobile apps. Regardless of the format, they all serve the same purpose; to provide users with a reliable and convenient way to access the information they need quickly and easily.
