In this article, you are going to learn about an important concept in C++ called the virtual functions and pure virtual functions. However, it is recommended that you learn about basics of pointer, classes and derived classes before reading further.What is Virtual Function? A virtual function is a special type of member function that is declared … Read more
We know that pointers are used for an object of derived classes, we can also use them for the base objects. The pointer to the base class object is type-compatible (can be used in two ways) with a pointer to the object of the derived class. To access the variable of the base class, a base … Read more
Limits and continuity of function is where calculus topics starts, however, to know calculus you must complete all lessons of pre- calculus with examples. Limit of a function is a certain value that a function approaches, whereas a function is said to be continuous when the function has no breaks or drawn without taking the … Read more
To understand the topic of pointers to objects, we need to know what is an object , pointer and class. A class is defined in C++ using keyword class followed by the name of class. The body of class is defined inside the curly brackets and terminated by a semicolon at the end.What is object?Object is … Read more
Python has multiple data structures, and Dictionary is one of them. This tutorial will take you through every aspect of the dictionary data structure in Python language.What is a Dictionary in Python?When Python was launched, Dictionary was introduced as an unordered collection of items. However, later with Python 3.7 launch, Dictionary was made an ordered … Read more
Understanding c preprocessor includes the source code which is written by programmers is stored in the file “program.c”. The file that is stored then processed by preprocessors and an expanded source code file is generated as named program.This expanded file is compiled by the compiler and an object code file is generated as named program … Read more
Complex numbers are extended number system. The motivation behind complex number is that there is no solution to negative roots. Consider the equation , there is no that can satisfy this equation.Powers Of Imaginary Number iTherefore, the imaginary number is introduced as the solution to .Now, it is possible to find square root of any … Read more
In this article, you will learn about distance formula , midpoint , and equations of circle. The circle is a geometric shape that has a special significance in mathematics. To study the circle, in algebraic form, we need to define it in terms of coordinates in a 2d coordinate system also known as Cartesian coordinate … Read more
In the previous article, you learned about composite function, in this article, you will learn about inverse functions. The term “inverse” means to “undo” something and which is what the “inverse” of a function do. If a function find the value for an value, the inverse of the function does the opposite, meaning it finds … Read more
In this article, we you will learn about composite functions, it means that a function can become input of another function. Before you learn about the composite functions, you must be familiar with the arithmetic of functions which means given two function , you will be able to perform basic arithmetic operations on the function … Read more
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