Epub, an acronym for electronic publication, is an eBook standard which most readers use on their mobiles, computers to read books. The format has been developed by the International Digital Publishing Forum. It is a tool that has made it easier for eBook...

Based on my Times Tables program (also available for free here) this focuses on improving division and mental arithmetic skills. The first level is very straightforward and suitable for beginners whilst further levels increase in difficulty. Certificate...

A system, commonly called the INR, International Normalized Ratio, for reporting the results of blood coagulation (clotting) tests. PT/INR should be checked to ensure that the patient maintains the proper level of anticoagulation. The prothrombin time (PT...