Scientific Reports is an online peer-reviewed open access scientific mega journal published by Nature Portfolio, covering all areas of the natural sciences.The journal was launched in 2011. The journal has announced that their aim is to assess solely the scientific validity of a submitted paper, rather than its perceived importance, significance or impact.

A scientific calculator is an electronic calculator, either desktop or handheld, designed to perform mathematical operations.They have completely replaced slide rules and are used in both educational and professional settings.. In some areas of study scientific calculators have been replaced by graphing calculators and financial calculators which have the capabilities of a …