Math Geek Gifts

Mathematics makes a great subject for gifts (surprisingly). Below are my major math designs that can be bought on all kinds of products, from mugs to t-shirts. The perfect gift for your math geek.

 
conic section circle gifts

Conic Section Circle Gifts. When a plane intersects a cone it creates a conic section. The shape of this section depends on the angle of the plane with respect to the cone, as illustrated in my conic sections animation.
 
Conic Sections Ellipse Gifts

 
conic sections hyperbola gifts

 
conic sections parabola gifts

 
cylinder equations math gifts

Cylinder With Equations Gifts. This translucent cylinder is annotated with the formulas for circumference, area of the circle, surface area of the wall, and volume of the cylinder. Perfect for those who love pi.
 
Pythagoras Theorem Gifts

Pythagoras' Theorem Gifts. A simple and clean design showing four different right-angled triangles whose sides have been extended as their squares to illustrate the fact that the square of the hypotenuse is equal to the sume of the squares of the other two side. These are actually stills taken from my Pythagoras' Theorem Animation.
 
Sphere with Equations Gifts

Sphere With Equations Gifts. This translucent sphere is annotated with the formulas for circumference, area of the circle (great circle, in this case), surface area of the sphere, and volume of the sphere. Perfect for those who love pi.
 
Cone with equations math gifts

Cone With Equations Gifts. This translucent cone is annotated with the formulas for circumference of the conical base, area of the conical base, area of cone wall, and volume of the cone.
 
Pythagoras' Theorem Machine Gifts

Pythagoras' Theorem Machine Gifts. This imaginary mathematical machine image was taken from my Pythagorean Engine Animation. Perfect for lovers of steampunk, since it evokes steam powered industrial revolution engines. Here, stained glass windows change in size as the great wheel turns.
 
Sine Wave Engine Gifts

Sine Wave Machine Gifts. This imaginary mathematical machine image was taken from my sine wave engine animation. Perfect for lovers of steampunk, since it evokes steam powered industrial revolution engines.
 
Tangent Graph Machine

Tangent Graph Machine Gifts. This imaginary mathematical machine image was taken from my tangent graph engine animation. As the wheel turns, so its extended diameter traces out green tangent waves. Perfect for lovers of steampunk, since it evokes steam powered industrial revolution engines.
 
Solid of Revolution #1

Solid of Revolution #1. An area (red) rotates around the X axis.
 
Solid of Revolution #2

Solid of Revolution #2. An area (red) rotates around the Y axis.
 
Solid of Revolution #3

Solid of Revolution #3. An area (red), bounded by two curves and two lines, rotates around the X axis.
 
Solid of Revolution #4

Solid of Revolution #4. An area (red), bounded by a curve, rotates about an arbitrary axis.
 
Solid of Revolution #5

Solid of Revolution #5. An area (red), bounded by a curve that goes above and below the X axis, rotates about the X axis.
 
Solid of Revolution #6

Solid of Revolution #6. An area (red), bounded by two curves, rotates about the Y axis.
 


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