Tridents have even been used in martial arts. While he has degrees in both Creative Writing and Marketing, much of his research and work are focused on history and mythology. As such, its also been the symbol of various sea deities such as the Greek god of the sea Poseidon and his Roman equivalent Neptune. LIX = 59 (50+9)
+. Despite its uses in war or on the sands of the arena, the trident is still best-known as a fishing tool. What does the fork and glass symbol mean on containers? Alligator Method. This literally would be read as 3 is greater than 1. Uses of the hat in mathematics include: 1. 2-pronged tridents are called bidents, and sometimes pitchforks, although pitchforks typically have three tines. It denotes the operator for the gradient, divergence and curl. Some Symbols from Mathematical Logic (three dots) means "therefore" and rst appeared in print in the 1659 book Teusche Algebra . https://simple.wikipedia.org/w/index.php?title=List_of_mathematical_symbols&oldid=8666850. From a 5-element-set, $\left(\!\binom{5}{3}\!\right)$ 3-element-multisets can be taken. Step 1: Create a mouth with your left and right hands, as shown below. LXI = 61 (50+11), MM = 2000 (1000+1000)
The symbols look similar and can easily be confused by which symbol is which. It stands for Pounds per Square Inch. position, separation, radius, radius of curvature, angle, angular displacement, angular separation, rotation angle, area, cross-sectional area, projected area, surface area, centripetal acceleration, centrifugal acceleration, gravitational field, acceleration due to gravity, coefficient of friction (static, kinetic), kinetic energy (translational, rotational), area mass density, superficial mass density, linear expansivity, coefficient of linear thermal expansion, volume expansivity, coefficient of volume thermal expansion, index of refraction, absolute index of refraction, area charge density, superficial charge density, newton meter squared per coulomb, volt meter, potential energy, electric potential energy, resistance, electrical resistance, internal resistance, multiply, dot, dot product, scalar product, multiply, cross, cross product, vector product, mean, average, antiparticle, bar, overline, probability distribution, probability density function, Mathematical symbols use a roman, serif font (, Units are written with a roman, sans-serif font (. It is short-spoken - and meaningful as well. Solution: Pi (\(\pi\)) is the math symbol that is used to find the area of a circle using the formula \(\pi\) r2. In languages, it may be used to indicate a slight pause, change in pitch or tone, or to lengthen a preceding vowel sound. The Ukrainian coat of arms - trident, or tryzub - has a long history (over a thousand years, if not more), but at the same time, it is a symbol of a modern country. In statistics, the symbol e is a mathematical constant approximately equal to 2.71828183. The following table documents some of the most notable symbols related to angles along with each symbols meaning and example. Trident Symbol Palmistry: A Trident mark is a gathering of lines that can show up anyplace on the palm. For a double-coin-toss experiment, $\Omega = \{\mathrm{HH}, \mathrm{HT}, \mathrm{TH},$. If $Y \sim \mathrm{Exp}(5)$, then $E[Y] = \sigma[Y] = \dfrac{1}{5}$. Since $\{a, b, c \}$ has $2$ permutations where all letter positions are changed, $!3 = 2$. You may also come across other related symbols, although these are less common: means not equal. This page was last changed on 3 February 2023, at 17:46. Its been used as both by many civilizations throughout history and its very much alive in modern culture as well. Translingual Symbol. If xy, x is defined as another name of y. Basic Mathematical Symbols With Name, Meaning and Examples. In Hinduism, for example, the trident or trishula was the weapon of choice of the famous god Shiva. It refers to the Roman God, Neptune, who was the god of the sea and for whom the planet is named. If you see the symbol < it means that one number is smaller than the other number. If $X \sim \mathrm{Ber}(0.5)$, then $P(X=0) =$. The math symbol U is used to denote the set made by combining the elements of two sets. The following table documents some of the most notable symbols related to these along with each symbols meaning and example. If $A \searrow B$, then $A \nearrow B^c$. The table below shows the combinatorics symbols that are commonly used. The table below shows the Greek alphabets that are used asmathematical symbols. The mathematical symbols with names and examples are also listed in the table. $R^2 = \dfrac{SS_{\mathrm{regression}}}{SS_{\mathrm{total}}}$, $\eta^2 = \dfrac{SS_{\mathrm{treatment}}}{SS_{\mathrm{total}}}$, If $E(\hat{\theta})=\theta$, then $\hat{\theta}$ is an, $\mathrm{Bias}(\hat{\theta}, \theta) = \\ E[\hat{\theta}]-\theta$. Poseidon Trident Symbol is used to make tattoos on the body. Alpha ( ) is the first letter of the Greek alphabet. But to a Jew, it is the sign of Hitler's Nazi regime that represents nothing but death and devastation. The following table below shows the commonly used algebraicsymbols. Lord Shiva Trident represents a weapon for your security. }}{{\left( {n - r} \right)!}}} Terms of Use | When used in mathematics it typically means "change in", for e. But there are so many texting symbols that its difficult to remember all of these. Either plus or minus depending on the situation. (electrical engineering) Electric flux.Usage notes. It's commonly used in vector calculus. It is used in a number of different ways in mathematics. $\varphi(x) = \dfrac{1}{\sqrt{2\pi}}e^{-\frac{x^2}{2}}$, If $X \sim \mathrm{Cauchy}(0, 1)$, then $f(x)=$, If $X \sim \mathrm{Beta}(\alpha, \beta)$, then $f(x) \propto$. Other comprehensive lists of math symbols as categorized by subjectand type can be also found in the relevant pages below (or in the navigational panel). (mathematics) "is equivalent to" (mathematics) "is identically equal to". The following table documents some of the most common notational symbols in probability and statistics along with their respective usage and meaning. There are also 2- and 4-prong variations of the trident with 5- and 6-prongs variants existing mostly just in pop-culture and fantasy. \, 3! The expressions "A includes x" and "A contains x" are also used to mean set membership, however some authors use them to mean instead "x is a subset of A". Greek Alphabets and Combinatorics Symbols, 50% = \(\begin{align}\frac{50}{100}\end{align}\), \(\begin{align}\frac{1}{2} = 0.5\end{align}\), \(\begin{align}\frac{1}{2} \!\div\! We use constants in mathematics to refer to non-varying objects. I have started seeing the "" symbol in math. 1} \right) \\. The symbol resembles the lowercase Greek letter epsilon, but stretched out ( ). IX = 9 (10-1)
In a standard die-tossing experiment, $p=\dfrac{1}{6}$. = 10 \end{align}\), \begin{align}^n{P_r} &\!=\! Your email address will not be published. Writing One of the best ways to memorize the greater than and less than signs is to imagine them as little alligators (or crocodiles), with the numbers on either side representing a number of fish. Other comprehensive lists of math symbols as categorized by subjectand type can be also found in the relevant pages below (or in the navigational panel). Step 2: Observe one hand at a time. The colon is the symbol ":". What does R symbol mean? 3 is a larger quantity. For example, in some languages the ^ symbol means exponentiation. The list below has some of the most common symbols in mathematics. Summary. Famous modern comic book characters such as Aquaman, Namor, and Proxima Midnight wield tridents as do many other characters in fantasy literature and video games. Most cultures have also used standard spears for fishing before the invention of fishing rods and nets, however, the trident has proven to be far superior for that purpose than a normal spear or a bident. The norm of a mathematical object is a quantity that describes the length, size, or extent of that object. What does psi mean math? The greater than and less than symbols are the two most commonly used and important mathematical signs which are used to denote an inequality between any two values. }$, $\displaystyle \left(\!\!\binom{n}{r}\!\!\right)$. Hence, the union of two sets P and Q will be the set of elements in P and Q. Roman, Greek, Thracian, and other gladiators often used a combination of a trident, a small, throwable fishing net, and a buckler shield to fight in gladiator arenas all across the Roman Empire. We use constants in mathematics to refer to non-varying objects. In trigonometry, we mostly study the relationships between the side lengths and angles of a right-angle triangle. Definitive resource hub on everything higher math, Bonus guides and lessons on mathematics and other related topics, Where we came from, and where we're going, Join us in contributing to the glory of mathematics. PSI definition: PSI is a unit of pressure expressed in pounds of force per square inch of area. Requested URL: byjus.com/maths/math-symbols/, User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.5 Safari/605.1.15. Required fields are marked, Get notified of our latest development and resources. And then, theres also the famous Britannia the personification of the United Kingdom, a shieldmaiden wielding a large trident. Black dot symbol in food packet indicate? The approximate value of \(\pi\) is 3.14159. aS means that a is an element of the set S, aS means that a is not an element of the set S, {a,b,c} is the set consisting of a, b, and c, denotes the set of natural numbers {0,1,2,3,4,5} (0 may or may not be included as natural number), denotes the set of integers (-3,-2,-1,0,1,2,3), denotes the set of rational numbers (numbers that can be written as a fraction a/b where a, b), If x=a + bi, then x=a - bi where i=(-1). Math symbols are used for different purposes from one mathematical field to another. Originally founded as a Montreal-based math tutoring agency, Math Vault has since then morphed into a global resource hub for people interested in learning more about higher mathematics. The symbol of less than is <. For example, $a \in A$ means Element of: $a$ is in $A$. As an ancient weapon and tool, the trident is both a practical object and a symbolic image. Privacy Policy Terms of Use Anti-Spam Disclosure DMCA Notice. To mean such that in constructions such as (voiced "the set of numbers such that ).. 3. Another possible notation for the same relation is Part of the series: Algebra & Other Math Lessons. There exists at least one element of p(x), \(x\). Can airtags be tracked from an iMac desktop, with no iPhone? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Their names, usage, and examples are also listed in the table. For instance, 'Let $a\in A$' means 'Let $a$ be an element of $A$', http://en.wikipedia.org/wiki/Element_(mathematics) might help you too. greater than or equal to. Other marine dwellers also favored the trident such as the Tritons (mermen), the Nereids (mermaids), the titan Nereus, as well as the common Old Man of the Sea persona which was often used to symbolize any of the above. For more, see about us. The symbol was first introduced as a Fortnite-themed Easter egg, but quickly gained popularity. meaning "A contains x", though it is used less often. trident: [noun] a 3-pronged spear serving in classical mythology as the attribute of a sea god (such as Neptune). No tracking or performance measurement cookies were served with this page. LI = 51(50+1)
inequality. . The math symbol that is used for the period of a wave is . To avoid such problems, the language used in mathematics is more restrictive than the natural language of which it is a part. So when I switch to 1 or a certain number for, whatever reason, I never remember to switch back and so many times I will either like grab alch runes and only have 1 fire rune and 1 nat or deposit 1 gp when I meant to do the entire stack, somehow not realizing the mistake until much later than . Get the master summary of mathematical symbols in eBook form along with each symbols usage and LaTeX code. The double bar symbol is reserved for vector norms. If $X \sim \mathrm{Geo}(p)$, then $E[X]=\dfrac{1}{p}$. In simple words, without symbols, we cannot do maths. \, 2! It's called Nabla \nabla. 2\! To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Using symbols to represent information makes it easier to understand mathematical expressions. I don't think this is what you did, but I always keep my withdraw/deposit on all. Thanks for the link. It also has a powerful religious meaning within the context it was used in the Bible verses when God made the statement "I . Instead, we can save time and space by using symbols. The best answers are voted up and rise to the top, Not the answer you're looking for? There, it represented the Thaoist Trinity of gods or the Three Pure Ones . Great learning in high school using simple cues. Simply put, the trident is a three-pronged spear with all three of its tips typically situated in a straight line. It means "There exists a number x such that x is greater than 0." Its counterpart is , which means "for all". Let $Y$ be the number of die rolls needed to get the third six, then $Y \sim \mathrm{NB}(3, 1/6)$. If $E_1 \nearrow E_2$, then $P(E_2 \,|\, E_1) \ge P(E_2)$. $x = \left( \dfrac{x}{60}\right)^{\circ}$, $38^{\prime\prime} = \left(\dfrac{38}{60}\right)$. Trident symbol in math. registered trademarks. If $X \sim N(1, 5^2)$, then $2X + 3 \sim N(5,10^2)$. But thanks for the answer, even if I don't understand the concept at least I know what it means. In probability and statistics, operators denote mathematical operations which are used to better make sense of data and chances. Units are written with a roman, sans-serif font (m, N, ) as are mathematical operations with numbers and units (7 kg 10 m/s 3 s = 23.3 N). A positive number whose square is 2. The tilde is a symbol typically used in language, mathematics and programming. it is a statistical set operator in statistics similar to lambda . {"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}, Definitive Guide to Learning Higher Mathematics, Comprehensive List of Mathematical Symbols. Even in Greek and Roman mythologies, Poseidon and Neptune were far from the only characters wielding tridents. Manage Cookies, summation - sum of all values in range of series, product - product of all values in range of series, probability of event A given event B occured, expected value of random variable X given Y, standard deviation value of random variable X, value that occurs most frequently in population, 50% of population are below this value = median of samples, population samples standard deviation estimator. Reforging Glory. 5 \!\times\! Some of the basic ones are =,+,,,, * and so on. Privacy Policy Terms of Use Anti-Spam Disclosure DMCA Notice. This indicates the power of Poseidons trident and his dominion over the seas. \\^5{C_3} &= \frac{5!}{3!(5-3)!} If A is true, B is true and if A is false, B is false. e.g. However, these symbols can have other meanings in different contexts other than math. It can be found on the tridents that players use to attack enemies and defend themselves from attacks. Even = {0,2,4,..} and 'a Even' can be read as 'a is Even'. >:-@! "is defined as" or "is set to". A vector is a mathematical object that looks like an . Let $X$ be the number on a die following its toss, then $X \sim U\{1, 6\}$. A is a superset of B. set A includes set B. "contains" and "lies in" are also a very bad words to use here, as it refers to inclusion, not set membership-- two very different ideas. means that "x is an element of A". |x| is the distance along the real line (or across the complex plane) between x and zero, If AB then shape A is congruent to shape B (has the same. It reflects heroic events of the past - and it is a stripe of Ukrainian warriors protecting the sovereignty and territorial . Meaning and Healing Properties, Do I Need Sapphire? rev2023.3.3.43278. Your email address will not be published. The right hand creates a greater-than sign while the left hand creates a less-than sign. The three prongs are also usually of the same length although theres some variation in that regard depending on the weapons exact purpose. Some texts use (uppercase) for the actual wavefunction that appears in the time-dependent Schrdinger equation, and (=eiEt/) (lowercase) for the time-independent spatial wave function that may exist for stationary states (and which then appears in the time-independent Schrdinger equation), but this distinction is not always observed. A comprehensive collection of the most common symbols in geometry and trigonometry, categorized by function into tables along with each symbol's term, meaning and example. If we write the words"adding 4 to 2 gives 6" repeatedly, it might complicate things. The addition symbol (+) is usually used while adding two or more numbers, for example, 5 + 5. Hes been working in the field for years and has amassed a great deal of knowledge on Norse, Greek, Egyptian, Mesoamerican, Japanese mythology, and others. Posted originally on the Archive of Our Own at /works/38514553. If $X_1, \ldots, X_n$ are i.i.d. A comprehensive collection of the most common symbols in probability and statistics, categorized by function into charts and tables along with each symbol's term, meaning and example. To give a name to a map, e.g., (which is equivalent to the function notation ).. 4. What Is the Math Symbol That Is a Circle With a Slanted Line Through It?. Since there are many places throughout mathematics and statistics where we need to multiply numbers together, the factorial is quite useful. We have at least 10,000+ symbols and there are some that we rarely use. It can take a cautious eye to spot one of these Tridents in light of the fact that occasionally it could be . These words also occupymore space and take time to write. Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). Its often chosen by men and is typically paired with nautical themes, such as waves, fish and dragons. Shiva Trident It is also held by Lord Shiva that why it is called Shiva trident. Today we are showing you most popular symbols used along with their meaning. The following table shows the math symbols used in logic. This motif is drawn on pots and home entrances. 5 4, x y means x is greater than or equal to y. In both Classical and Modern Greek, the letter indicates the combination /ps/ (as in English word "lapse"). Note that the table can also be ordered alphabetically by clicking on the relevant header title. The table given below shows the commonly used geometrical symbols. The math symbol that is a circle . $\tan \theta = \dfrac{\sin \theta}{\cos \theta}$, $\cot \theta = \dfrac{\cos \theta}{\sin \theta}$, $-\dfrac{\pi}{2} \le \arcsin x \le \dfrac{\pi}{2}$, $\arccos \left( \dfrac{\sqrt{2}}{2} \right) = \dfrac{\pi}{4}$, $\displaystyle \lim_{x \to \infty} \arctan x = \dfrac{\pi}{2}$, If $\overline{AB} \parallel \overline{CD}$, then $\square ABCD$ is a, $\square ABCD \nsim \\ \square ABCD \implies \\ \square ABCD \ncong \\ \square ABCD $, $\varphi = \dfrac{1 + \sqrt{5}}{2} \approx 1.618$, For an obtuse triangle, $b$ corresponds to the. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. How do I connect these two faces together? 4 \!\times\!3 \!\times\! What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? If $X \sim T(\nu)$, then $X^2 \sim F(1, \nu)$. XIII = 13 (10+3), XLIX = 49(50-1)
(electrical engineering) Electric flux.Usage notes. x s.t. For lists of symbols categorized by subject and type, refer to the relevant pages below for more. In the hands of either of these beings, the trident served both as a fishing tool, capable of killing and carrying giant fish, sea serpents, dolphins, as well as a weapon capable of destroying boats and ships. Mathematical Statements; Sets; Functions; 1 Counting. That's Statistics, by the way. Here is a list of a few points that should be remembered while studying math symbols: Example 1. Get the master summary of mathematical symbols in eBook form along with each symbols usage and LaTeX code. Alpha symbol is used to denote many things including absorption factor, area, angles and coefficients. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. Sign up now for weekly facts, the latest blogs, and interesting features. It shows that one number or value is larger than another number. Which means "For any number x, it is greater than 0." It is used in pairs on either side of the value of the vector norm, for example || X ||. A is a subset of B. set A is included in set B. It is most commonly used to show the result of a calculation, for example 2 + 2 = 4, or in equations, such as 2 + 3 = 10 5. Trident Symbol Meaning. 4! The following reference list documents some of the most notable symbols in these two topics, along with each symbol's usage and meaning. Trident at the end of heart line. There are complex symbols like \(\alpha\), \(\varepsilon\) and so on. The following table shows the math symbols used in venn diagrams and set theory. In geometry, points and lines form the foundation of more complex geometrical figures such as triangles, circles, quadrilaterals and polygons. You could do that this way, just as one example: class Foo (float): def __xor__ (self, other): return self ** other. 1. RapidTables.com | It can be found around the globe, with variations in different mythologies and cultures. It's like Delta but flipped on it's head. (quantum mechanics) A wavefunction. Subtracting sign: Often referred to as the minus sign. A set is a collection of things, usually numbers. In both Classical and Modern Greek, the letter indicates the combination /ps/ (as in English word "lapse").. For Greek loanwords in Latin and modern languages with Latin alphabets, psi is usually transliterated as "ps". Some of the main places where it shows up are . \\&= \frac{{n! -. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Does a glass and fork symbol mean dishwasher safe? What does this symbol mean in this context? The = equals symbol is used to show that the values on either side of it are the same. As a fighting weapon, both the trident and bident are typically inferior to the spear as the latters single point offered more effective penetration. is a symbol used to represent unending amounts. The following table documents some of the most common functions in this category along with their respective usage and example. What does the triangle symbol mean in math?May 6, 2018It's a greek symbol, pronounced "delta". To denote a unit vector (e.g., v^^) or an estimator (e.g., x^^). \frac{1}{2} \!=\! If circles $O_1$ and $O_2$ share the same radius, then they are congruent. Just drop in your email and we'll send over the 26-page free eBook your way! If $P$, $Q$, $R$ lie on a sphere, then $\sphericalangle PQR$ is the spherical angle between $\overparen{PQ}$ and $\overparen{QR}$. Do you know what this means? The "trident symbol fortnite" is a symbol that appears in the game Fortnite. Last edited on 16 February 2023, at 16:40, https://en.wiktionary.org/w/index.php?title=&oldid=71311089. Positive solution to the equation y. Which math symbol is used to find the area of a circle and what is the approximate value of that symbol? The trident is a powerful symbol as well as a robust weapon and tool. XII = 12 (10+2)
(mathematics) means that it is an element in the set of For eg.x denotes that x is within the set of natural numbers. is the ratio between the circumference and diameter of a circle, For readability purpose, these symbols are categorized by function into tables. As a part of the symbol sometimes used to mean "is defined as ." Trident Symbol Meaning. For all $n \in \mathbb{N}_+$, $\Gamma(n)=(n-1)!$. There, it represented the Thaoist Trinity of gods or the Three Pure Ones Yuanshi, Lingbao, and Daode Tianzun. The > symbol means "greater than". Symbol. The most common symbols are listed in the following table: It seperates the Numerator and Denominator. Why is this sentence from The Great Gatsby grammatical? They were often called net fighters.. There are more than 10000 math symbols. x is a nonnegative number whose square is x. AB means that if A is true, B must also be true, but if A is false, B is unknown. For a review on sets, see set operators. Alpha is written as A in uppercase and in lowercase. $T (n-1)= \dfrac{\overline{X}-\mu}{\dfrac{S}{\sqrt{n}}}$. We can list each element (or "member") of a set inside curly brackets like this: Common Symbols Used in Set Theory. The foundational component of a complex number. For example, the swastika to Hindu is the holy symbol of peace. In mathematics, it may be used as a diacritical mark to show vowel length or distinctions between similar words (e.g. A numeric example would be: $\color{red}3 \in \{1, 2, \color{red}3, 4, 5\}$. The region and polygon don't match. Definitions; Arithmetic and Geometric Sequences; Polynomial Fitting . These constants can include key mathematical sets, key numbers, key mathematical infinities, and other key mathematical objects (such as the identity matrix). This is the universally adopted math symbol of two equal length strokes joining in the acute angle a t the right. simply means that we are taking the product of 4321. Pitchfork symbol physics. An added note, since the wiki article does not mention it: one can look at meaning 'is' through the prism of sets representing the common property held by all its elements. Geometry and trigonometry are branches of mathematics concerned with geometrical figures and angles of triangles. by Richard (USA) Question I was taking an online test and the question was what does 4! The following table documents some of the most notable symbols related to circle along their respective meaning and example. As a result of the EUs General Data Protection Regulation (GDPR). It only takes a minute to sign up. element-of symbol: The element-of symbol is used in mathematical set theory to indicate that a point, object, or number belongs to a certain set. is read as "three factorial" and is really a shorthand way to denote the multiplication of several consecutive whole numbers. Take these examples: Being only a freshman going into Honors Algebra Two, I don't understand the concept. A is a superset of B, but B is not equal to A. all the objects that do not belong to set A, objects that belong to A or B but not to Where does this (supposedly) Gibson quote come from? Symbols save time and space when writing. If $\overleftrightarrow{PQ} \nparallel \overleftrightarrow{RS}$, then they must intersect at a point $A$. $P(A \,|\, B) = \\ \dfrac{P(A \cap B)}{P(B)}$, $V(X\, | \, Y), \\ \mathrm{Var}(X \,|\,Y)$, $\rho (X, Y) = \\ \dfrac{\mathrm{Cov}(X, Y)}{\sigma(X)\,\sigma(Y)}$, If $X \sim \mathrm{Geo}(p)$, then $\mathcal{L}(\theta \mid X = 3) =$. Other comprehensive lists of math symbols as categorized by . What indicates green symbol in food product:? }}{{r!\left( {n - r} \right)!}} Which math symbol is used to denote the relationship between the two parallel lines AB and CD? Writing In mathematics, the expression 3! What does the Trident symbol mean in science? Example 2. $\overleftrightarrow{AB}=\overleftrightarrow{BA}$, $\overrightarrow{AB} \ne \overrightarrow{BA}$. \times\! In mathematics, the greater than symbol is a basic mathematical symbol which is used to represent the inequality between two values. The language and vocabulary of mathematics contain a large number of symbols and this list is endless some being more technical than others. That's pretty funny. For the master list of symbols, see mathematical symbols. Apart from this, the (+) symbol can also be used to indicate a positive number, for example, +7. As a symbol, the trident is often associated with marine deities such as Poseidon and Neptune because the weapon was most commonly used for fishing. x. Multiplication sign: Often referred to as the times or times table sign. List of all mathematical symbols and signs - meaning and examples.