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### Brain Teasers : Blue Forehead Room Brain Teaser

##### By: Sal Khan

What happens when 100 perfect logicians have to figure out if they each have a blue forehead?

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

### Properties of the Laplace transform : Laplace Transform of the Dir...

##### By: Sal Khan

Figuring out the Laplace Transform of the Dirac Delta Function

Transforms and the Laplace transform in particular. Convolution integrals.

### The convolution integral : Using the Convolution Theorem to Solve ...

##### By: Sal Khan

Using the Convolution Theorem to solve an initial value problem

Transforms and the Laplace transform in particular. Convolution integrals.

### Properties of the Laplace transform : Laplace Transform of cos t a...

##### By: Sal Khan

Laplace transform of cosine and polynomials!

Transforms and the Laplace transform in particular. Convolution integrals.

### Brain Teasers : 3-D Path Counting Brain Teaser

##### By: Sal Khan

Extending the path counting to three dimensions

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

### Properties of the Laplace transform : Laplace Transform of t^n: L{t^n}

##### By: Sal Khan

Laplace Transform of t^n: L{t^n}

Transforms and the Laplace transform in particular. Convolution integrals.

### Brain Teasers : Forehead Numbers Brain Teaser

##### By: Sal Khan

The perfect logicians are at it again.

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

### Properties of the Laplace transform : Laplace Transform of the Uni...

##### By: Sal Khan

Introduction to the unit step function and its Laplace Transform

Transforms and the Laplace transform in particular. Convolution integrals.

### The western calculator, or, A new and compendious system of practi...

##### By: Stockton, Joseph, 1779-1832

This is a re-issue of the 4th ed

### Messenger of Mathematics : Volume 15

Vol. 1-5, 1861-71, as Oxford, Cambridge and Dublin Messenger of Mathematics. United with Quarterly Journal of Pure and Applied Mathematics to form Quarterly Journal of Mathematics. Oxford series, q.v

### Bulletin of the American Mathematical Society

##### By: American Mathematical Society

English and Mohawk on opposite pages

Mohawk language

##### By: Sal Khan, Monterey Institute for Technology and Education

Solving quadratics through factoring, completing the square, graphing, and the quadratic equation.

### Historical and Genealogical Record of the First Settlers of Colche...

##### By: Miller, Thomas, B. 1803

Functions ; Differential equations ; Harmonic analysis

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