This is a simple C program that copies the contents of one file onto another file. It is similar to Unix’s cp command. This C program is called with two parameters i.e. the names of two files. The contents of the file referenced in second parameter are copied onto the file which is referenced by first parameter.
This is a C implementation of basic and few advance scientific features of calculator. It shows a nice graphical UI of the calculator with 3D buttons and demonstrates click button animation functionality. The functionalities of the calculator includes: Basic Mathematics (Add, Subtract, Multiply and Divide), Advance Mathematics (Square root, Square, Cube), Logarithmic Functions (Log, Natural Log (ln), e, Exponential), Number Conversions (Binary, Decimal, Hexadecimal and Octal), Trigonometric Functions (Sine, Cosine, Tangent, Cotangent, Secant and Cosecant), Angle Measurement (Degree, Radia and Gradian), Other Functions (Memory, Pi and Inv).