Original paper: Section "GAN paper".
The Grid Method, also known as the Box Method, is a visual strategy used to teach multiplication, especially for larger numbers. It breaks down the multiplication process into easier, more manageable parts, making it particularly suitable for learners who are still developing their arithmetic skills. Here's how it works: ### Steps of the Grid Method: 1. **Decompose the Numbers**: Break each number into its place values.
Multiplication is one of the four fundamental arithmetic operations in mathematics, alongside addition, subtraction, and division. It involves combining equal groups of items to find the total number of items. In simpler terms, multiplication can be thought of as repeated addition.
As if Greek letters weren't enough, physicists and mathematicians also like to make up tons of symbols, some of which look like the could actually be Greek letters!
A negative number is a number that is less than zero. In the number line, negative numbers are located to the left of zero. They are represented with a minus sign (−) in front of them. For example, -1, -2.5, and -10 are all negative numbers. Negative numbers are used in various contexts, such as: 1. **Mathematics**: They represent values below a certain reference point, often zero.
Rationalization in mathematics is the process of eliminating irrational numbers (such as square roots or cube roots) from the denominator of a fraction. This is done to simplify mathematical expressions and make them easier to work with.
A linear equation is a mathematical equation that represents a straight line when graphed on a coordinate plane. It typically takes the form: \[ ax + by + c = 0 \] or in slope-intercept form: \[ y = mx + b \] where: - \( x \) and \( y \) are the variables. - \( a \), \( b \), and \( c \) are constants (with \( a \) and \( b \) not both zero).
Division is one of the four basic arithmetic operations in mathematics, alongside addition, subtraction, and multiplication. It involves splitting a number into equal parts or groups. The primary components of a division operation are: - **Dividend**: The number that is being divided. - **Divisor**: The number by which the dividend is divided. - **Quotient**: The result of the division.
The term "formula" can have different meanings depending on the context in which it is used: 1. **Mathematics and Science**: In mathematics and science, a formula is a concise way of expressing information symbolically. It consists of mathematical symbols and numbers that represent a relationship or rule.
Factorization is the process of breaking down an expression, number, or polynomial into a product of its factors. Factors are numbers or expressions that can be multiplied together to obtain the original number or expression. Factorization is a fundamental concept in mathematics, used in various areas such as arithmetic, algebra, and number theory.
In the context of solving equations, particularly in algebra and calculus, the terms "extraneous solutions" and "missing solutions" refer to specific types of solutions that can arise during the solving process. ### Extraneous Solutions Extraneous solutions are solutions that do not satisfy the original equation, even though they may appear to be valid solutions of the equation after manipulation. This often occurs when both sides of an equation are manipulated in a way that introduces solutions that do not work in the original equation.
Equating coefficients is a mathematical technique often used to solve polynomial equations or to find relationships between different algebraic expressions. This method is particularly useful in situations where you have two polynomials that are set equal to each other, and you want to find values for their coefficients or variables. Here's how it generally works: 1. **Setup Equations**: Start with two polynomials that are equal to each other.
In mathematics, the term "conjugate" can refer to different concepts depending on the context, particularly in complex numbers and algebraic expressions.
Completing the square is a mathematical technique used to transform a quadratic equation (or expression) of the form \( ax^2 + bx + c \) into a perfect square trinomial. This method allows us to solve quadratic equations, analyze their graphs, and derive the vertex form of a quadratic function. ### Steps to Complete the Square: 1. **Start with a quadratic expression** in the standard form: \[ ax^2 + bx + c \] 2.
Largest known ranks of an elliptic curve over the rational numbers by
Ciro Santilli 37 Updated 2025-07-01 +Created 1970-01-01
web.math.pmf.unizg.hr/~duje/tors/rankhist.html gives a list with Elkies (2006) on top with:TODO why this non standard formulation?
"Clearing denominators" is a mathematical technique commonly used in algebra to eliminate fractions from an equation. This process simplifies equations and makes them easier to manipulate. Here’s a step-by-step explanation of how it works: 1. **Identify the Denominators**: Look for any fractions in the equation. Identify the denominators of these fractions. 2. **Determine the Least Common Denominator (LCD)**: Find the least common denominator of all the fractions in the equation.
Pinned article: ourbigbook/introduction-to-the-ourbigbook-project
Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
Intro to OurBigBook
. Source. We have two killer features:
- topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculusArticles of different users are sorted by upvote within each article page. This feature is a bit like:
- a Wikipedia where each user can have their own version of each article
- a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.Figure 1. Screenshot of the "Derivative" topic page. View it live at: ourbigbook.com/go/topic/derivativeVideo 2. OurBigBook Web topics demo. Source. - local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
Figure 2. You can publish local OurBigBook lightweight markup files to either OurBigBook.com or as a static website.Figure 3. Visual Studio Code extension installation.Figure 5. . You can also edit articles on the Web editor without installing anything locally. Video 3. Edit locally and publish demo. Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension. - Infinitely deep tables of contents:
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact