## IntMath Newsletter: Putnam, review, Captive, cipher

In this Newsletter:

0. Season's greetings

1. New on IntMath: Putnam

2. The year in review

3. Math movies: Captive

4. Math puzzle: Cipher

5. Final thought: Imagine

**450+** Math Lessons written by Math Professors and Teachers

**5 Million+** Students Helped Each Year

**1200+** Articles Written by Math Educators and Enthusiasts

Simplifying and Teaching Math for **Over 23 Years**

In this Newsletter:

0. Season's greetings

1. New on IntMath: Putnam

2. The year in review

3. Math movies: Captive

4. Math puzzle: Cipher

5. Final thought: Imagine

1. New on IntMath: Equations graph solver

2. Resources: Charts

3. Math in the news: Lenses, integral equations

4. Math movies: Potential

5. Math puzzle: Age

6. Final thought: Water

1. On IntMath: Calculators

2. Music lab, Webinars

3. AI, atomic clocks

4. Tensor, irrationals

5. Math puzzle

6. They knew

In this Newsletter:

1. New on IntMath: CSS matrix math

2. Resources: Humble Pi, AnswerThePublic

3. Math in the news: Proof

4. Math movies: Parker, van Gogh

5. Math puzzle: Mystery object

6. Final thought: Dry leaves

In this Newsletter:

1. New on IntMath: Eigenvalues and eigenvectors

2. Resources: Desmos and 3D simulator

3. Math in the news: News and science

4. Math movies: Graphics and addresses

5. Math puzzle: Tangent circles

6. Final thought: Culture

In this Newsletter:

1. New on IntMath: Bubble sort rainbow

2. Resources

3. Math in the news

4. Math movies

5. Math puzzle

6. Final thought

In this Newsletter:

1. New on IntMath

2. Resources: Fourier, breaks

3. Math in the news: DeepMind, bees

4. Math movies: vectors, collection

5. Math puzzle: Sequence

In this Newsletter:

0. Geometry of love

1. New on IntMath

2. Quirky measurements

3. Resources: Map projections

4. Math movies:

5. Math puzzle

6. Final thought

In this Newsletter:

1. New on IntMath: Curvilinear motion animated graphs

2. Estimation and the anchoring principle

3. Bill Gates and his pancakes

4. Math movies

5. Math puzzle: Who dies?

6. Final thought: Truth

1. New on IntMath: Solid of Revolution maker

2. Resources: Grasshopper, Sketchup

3. Math in the news: Light beam

4. Math movies: Ballet, Mars

5. Math puzzle: Tokens

6. Final thought: Jack Ma

See the blog sitemap for all previous articles.

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