Casio, founded in 1946, had sold electric desk calculators since the 1960s, and introduced a transistorized form of the machine in 1965. In the 1970s and 1980s, it released a variety of microprocessor ...

Scientific Notation In scientific notation, numbers are written in the form a × 10 n, where a is a decimal number between 1 and 10 and n is an integer (positive or negative). A negative exponent ...

Start using the emulator to simulate the functions of the Casio fx-991ES Plus C calculator. If you encounter any issues, refer to the documentation or contact support.

Contribute to i-supriyyaa/scientific_calculator development by creating an account on GitHub.