# Mathematics

### Top 10 Fascinating Facts About The Number Pi

The most well-known fact about pi—normally rounded to 3.14159—is that it represents the ratio of the circumference of a circle to its diameter. Pi is …

Top 10### American Quiz: Find Out Your Patriotic Score!

Are you a history buff who loves America? Take this quiz to see how well know significant historical moments in the United States!

Quizzes### Cuisenaire Art: Modeling Figurate Number Sequences and Gnomonic Structures in a History of Mathematics Classroom | Mathematical Association of America

Introduction<p><i>All the successive numbers which serve to form the triangular,</i> <i><br>quadrangular or polygonal numbers, are called gnomons.</i><p>– Theon of Smyrna …

Mathematics Education### Coordinate Geometry: Slope | GMAT practice question

70+ point GMAT score improvement guarantee<p>The best guarantee you’ll find<p>Our Premium and Ultimate plans guarantee a 70+ point score increase or your …

Study Skills### Sunday Puzzle: Challenge Shmallenge

<b>On-air challenge:</b> Every answer is a madeup two-word phrase. Add the letter F in front of the first word to get the second word to answer the clue.<p>Example: Less than usual stream of water --> low flow<p>1. Entire autumn<p>2. More unusual stuff that cattle eat<p>3. More aged container of office papers<p>4. …

Mathematics### Making Measurements accurate - Pierre Vernier and the Vernier Scale

Vernier Caliber<p>On August 19, 1580, French mathematician and instrument inventor <b>Pierre Vernier</b> was born. He is best known for having invented the …

Woodworking### Power Circuits

<i>Not anything to do with electrical engineering</i><p>Alexei Miasnikov, Alexander Ushakov, and Dong Wook Won are the authors of a brilliant paper, “Power …

Engineering### [D] What topics from Linear Algebra, Calculus, Probability, and Statistics are the most important for Machine Learning?

I'm just beginning to learn Math for ML, with no background(other than high school). I see that Linear Algebra, Calculus, Probability, and Statistics …

Machine Learning### Geometry Problem 1379: Common External Tangents. Circles, Secant, Congruent Chords.

Proposition<p>In the figure below, CD and EF are the common external tangents to the circles A and B. CF intersects the circles A and B at G and H, …

Geometry### TI-84 Plus CE Graphing Calculator Black

Most helpful positive reviews<p>Awesome<p>(would recommend)<p>4 out of 5 stars<p>Sav — 1 year ago<p>Graphics are amazing, easy to use for school, and very …

Batteries### Brook Taylor - Forerunner of Differential Calculus

Brook Taylor (1685-1731)<p>On August 18, 1685, Englishmathematician<b>Brook Taylor</b> was born. He is best known for Taylor’s theorem and the Taylor series, a …

Science### Cyberchase. Math Tips. Summer | PBS Parents

Did you know? Our kids are at risk over the summer months for losing the skills they’ve developed during the year in math – and the risk is greater …

Kids### Integers: Integer 'Must be True' Questions | GMAT practice question

If $$a$$ and $$k$$ are integers, and $$2k=3a$$, then $$k$$ must be divisible by which of the following?<p>Correct. [[Snippet]] Since $$a$$ is an …

Education### Reverse Plugging In: Basic Technique | GMAT practice question

The number of meters in AB is equal to the square root of the number of centimeters in AB. What is the length of AB (1 meter=100 …

Education### FF deserves credit for confidence and supply deal, says Creed

Fine Gael and Fianna Fáil are ‘rightful inheritors’ of the revolutionary generation<p>6 minutes ago Updated: 4 minutes ago<p>Fianna Fáil deserves credit …

Elections### The Blunt Guide to Mathematically Rigorous Machine Learning

I recently wrote a brief guide on the Math required for Machine Learning. People liked it, and asked me to write one on how to master ML at a …

Machine Learning### Ballparking Geometry: Useful Numbers to Remember - π≈3+ | GMAT practice question

Two goats are each tied at corners A and B of a fenced rectangular field of area 50. The goat's tethers allow them to graze within circular regions …

Equations### Using Python's Type Annotations

This post was originally published on my personal blog. Give it a look! 😄<p>Python is known for being a Wild West language where anything goes. Aside …

Python Programming### Quadratic Sequences - GCSE Mathematics 1 - 9 (Advanced Algebra)

Whole lesson on quadratic sequences which includes<br>- full powerpoint lesson with detailed explanations<br>- student worksheet with step by step guide<br>- …

Teaching### Converting 360 degree view to equirectangular in node js?

I have trying to convert 360 degree camera single fish eye image to equirectangular viewer in node js for past two days. In stackoverflow same …

Node.js### The History & State Of Analytics In Two Infographics

Two & half millennia and two & half million jobs<p>It often amazes me how few analysts are actually aware of the history of their profession. I can …

Infographics### Mathematician Reveals How Ross From ‘Friends’ Could’ve Moved The Couch

If there’s one scene in “Friends” that describes the reality of living in New York, it’s the iconic “Pivot Scene.” In it, Ross draws a sketch of how …

Cannabis### Life and legacy of Maryam Mirzakhani: the first female Fields Medal recipient

Please join us for a series of short presentations, followed by networking and refreshments, to celebrate the life and achievements of the brilliant …

Western Australia### Sequences: Find the Pattern | GMAT practice question

Curly brackets {} around the last digits of a decimal fraction signify that these digits recur an infinite number of times. For example 0.1{5} is a …

Education### If `zip` were a method of a lawful type class, of which then?

<b>why the question</b> One may say that zip is a method of Applicative, the usual instance being ZipList. I am unhappy with it because it is unsafe. I am …

Mathematics### Should U.S. Students Do More Math Practice and Drilling?

Should U.S. students be doing more math practice and drilling in their classrooms? That’s the suggestion from last week’s most emailed <i>New York Times</i> …

Pedagogy### Print floating point number with a set number of significant digits (non-scientific)

I want to print floating point numbers with a set number of significant (i.e. non-zero) digits, but avoid the scientific notation (e).So, for …

Mathematics### N-Word Beating, Snapping Turtle Pet, Aretha Fight | News Nearby

The top news in Virginia and D.C. over the past week, including a local teen who solved a 100-year-old math problem.<p>Patch has 32 sites in communities …

Aretha Franklin### How to have input recognize other types of variables?

So here's a really quick program I though of writing down.But, every input returns the String value, seeing 12 as "12", [] as "[]", etc.Any ideas? …

Mathematics