The phone and Wi-Fi icon on Samsung Galaxy devices means Wi-Fi Calling is on, letting you call or text over Wi-Fi when cellular coverage is weak.

Occasionally, you may notice something that looks like a satellite icon on your iPhone. Here's what it means, and what you ...

Those familiar with Bosch's washing machines have likely seen a key symbol appear on its screen, but what does it mean when ...

The three-pronged USB emblem has become a fixture of modern devices. We explain what this familiar design represents and how ...

Raymond Tomlinson, the man who invented email, introduced the @ symbol into our electronic communications. Every time you give someone or something your email address, you’re using his invention. But ...

What is the logical negation symbol (¬)? The logical negation symbol is used in Boolean algebra to indicate that the truth value of the statement that follows is reversed. The symbol (¬) resembles a ...