Calculators are perhaps one of the handiest tools invented ever by the man. They not only save our time in dealing with complicated numerical operations, but also provide us with an assured and accurate result. Calculators are used by users from all walks of life. And hence this massively popular tool even managed to get its place in modern computers also, in an entirely new digital avatar. But nevertheless, the modes of operation are still the same, and so are the expectations from users in keeping them simple. calculator 1.0 is such a software that combine all the standard features of a calculator with some really out-of-the-box offerings.
Because of its high efficiency and free of cost nature, the calculator receives a score of four rating points on the scale of five.