Wrap your head around that!Ĭurrently, we have around 5612 calculators, conversion tables and usefull online tools and software features for students, teaching and teachers, designers and simply for everyone. For example, the set of all even numbers, is smaller than the set of all odd and even numbers, even though both sets go to infinity. Infinity is also called the lemniscateįunnily enough, infinite sets can have different sizes, even though each one is endless. Infinity is not an actual specific number – it describes an infinitely large quantity. For example, there is an infinity number of integers, going from negative infinity to 0 to positive infinity. Mathematically, infinity is used to represent an endless quantity. The term “infinity” itself comes from the Latin word infinitas, which means “unboundedness.” Infinity Symbol Meaning Use of Infinity in Math How’d he come up with this symbol? It’s unclear, but some guess that it came from the Roman Numeral for 1,000, or CIƆ, or from the Greek letter ω (omega), the final letter of the alphabet. John Wallis, in his De sectionibus conicis (Treatise on the Conic Sections), used it to mean mathematical infinity, or a limitless amount. In 1655, the infinity symbol was imbued with its mathematical meaning for the very first time. For centuries, the use of a sideways infinity 8 has been used in logos and religious symbols. Given how pervasive the infinity symbol is, you might guess that it’s had a long history.
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