2007-01-01

A comprehensive guide outlines best practices for clear mathematical handwriting, focusing on distinguishing between similar-looking characters across Roman letters, numbers, and Greek alphabet. The recommendations emphasize specific modifications and writing techniques to prevent ambiguity in technical notation, particularly important for engineering, science, and mathematics students.

Original archive.is archive.ph web.archive.org

Log in to get one-click access to archived versions of this article.

read comments on news aggregators:

Related articles

Markov Chains explained visually

Markov chains are mathematical systems that model transitions between different states with associated probabilities, represented through transition matrices or diagrams. The concept finds practical applications in various fields, from weather prediction to Google's PageRank algorithm, with the ability to simulate real-world phenomena by incorporating probabilistic state transitions.

biVector.net

Geometric Algebra provides a unified mathematical framework for understanding vector spaces and geometric transformations across multiple dimensions. The framework encompasses vectors, bivectors, and higher-dimensional elements, with practical applications in 2D and 3D rotations. Complex numbers, quaternions, and dual quaternions emerge naturally as subalgebras, enabling powerful geometric operations.

Iterated log coding

A novel encoding format for real numbers on computers is presented, using a sequence of sign bits to represent values through iterative logarithms. The format efficiently handles both very large and very small numbers, utilizing a Gray code pattern and lexicographic ordering.

Closing the “green gap”: from the mathematics of the landscape function to lower electricity costs for households

Mathematical advances in 'landscape function' theory have significantly improved LED light bulb efficiency, leading to substantial energy savings in US households. The technology enables more accurate simulation of LED designs, particularly helping solve the 'green gap' problem through V-shaped defects in semiconductor layers. US consumers are projected to save $890 billion by 2035 through LED adoption.

Student refines 100-year-old math problem, expanding wind energy possibilities | Penn State University

Penn State engineering student Divya Tyagi refined a century-old mathematical problem in wind turbine design, creating a simpler solution to Glauert's original work. Her addendum expands the analysis to include total force and moment coefficients acting on wind turbine rotors, enabling more efficient turbine designs. The breakthrough could significantly improve wind energy production, with even a 1% efficiency increase potentially powering an entire neighborhood.

Introduction to Stochastic Calculus

An accessible introduction to stochastic calculus and Brownian motion, focusing on physical intuition and calculus-based derivations rather than formal probability theory, covering key concepts from discrete random walks to Itô calculus and stochastic differential equations.

K-12 School Shooting Database

A database tracks comprehensive K-12 school shooting incidents, including all instances of guns being fired, brandished, or bullets hitting school property. The database encompasses various scenarios like gang violence, domestic incidents, sports event shootings, and accidents, documenting the full scope of gun-related incidents on school grounds.

On the benefits of learning in public

An exploration of the value in documenting and sharing learning experiences through detailed blog posts, particularly focusing on technical tutorials and deep dives. The author emphasizes how writing tutorials helps solidify personal understanding while providing valuable resources for others seeking similar knowledge.

Viet GD

A comprehensive collection of Vietnamese cultural artifacts, including vintage music covers, matchboxes, signage, and typography, showcasing the evolution of design and visual culture in Vietnam. The collection spans various periods, from French colonial influence to post-war era, highlighting the transformation of Vietnamese graphic design and commercial art through historical and social changes.

Making any integer with four 2s

A mathematical puzzle challenges people to create target numbers using exactly four instances of the digit 2 and various mathematical operations. The complexity ranges from elementary calculations to advanced mathematical concepts, until Paul Dirac discovered a general solution using nested square roots. The puzzle serves as an engaging educational tool across different mathematical skill levels.