Intro To C++/Playing with operator

Basic Math
C++ can be used to do basic math. The operators used in the basic math are listed in the table below. Basic math operators in C++ have some distinguishing features: Part of Basic math operation is demonstrated in the C++ program below:
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Checking Size
The memory size of any variable can be discovered using the C++ sizeof operation.The sizeof operator syntax is look like this:

sizeof(var)

The sizeof operator is demonstrated in the program as follows:

Casting Data Types
Any data-types except "string" could be converted to another data type through "casting". Casting syntax in C++ looks like this:

'''variable-name=static-cast