How to get contact lenses. To get contact lenses, you need to visit an optometrist to undergo an eye exam. The doctor will determine your prescription and measure your eyes to decide what size lenses you require. You can then use your prescription to order contact lenses online. Â° Contact lenses automatically ship for free.
The hexadecimal number system, also called base-16 or sometimes just hex, is a number system that uses 16 unique symbols to represent a particular value. Those symbols are 0-9 and A-F.or example, the hexadecimal value F4240 is equivalent to 1,000,000 in decimal and 1111 0100 0010 0100 0000 in binary. Another place hexadecimal is used is as an HTML color code to express a specific color.
No, hex is a prefix meaning six. A hexagon has 6 sides. A stop sign is an octagon. Somebody else here copied and pasted the meaning of HEX itself from Wikipedia, meaning hexadecimal which means writing a number in base 16.