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Math Smiley Face T-shirt - black

 Math Smiley Face T-shirt
The Math Smiley Face T-shirt shows a version of the classic Smiley Face design rendered mathematically, with ellipses for the eyes, a semicircular arc for the mouth, straight lines for the dimples, and of course a circle for the face, all accompanied by their equations on an x-y coordinate grid. Have an x-squared plus y-squared less than or equal to 16 day!
  • Small, Medium, Large, XL $17; 2XL, 3XL $19.
  • 100% pre-shrunk cotton. T-shirt is black.
    		•
    The items below aren't our latest products, but they're still fairly new to our site.

    EASY AS PI SHIRT ASH GRAY

    		 Easy as Pi Ash Gray Long-Sleeved T-shirt
    Our Easy as Pi T-shirt became very popular after it was featured on an episode of "Numb3rs" last year. It's now available as an Ash Gray Long-Sleeved t-shirt, while supplies last.

    Adult Long Sleeve Ash Gray Small, Medium, Large, XL $17; 2XL $19.

    To order Easy as Pi T-shirts that aren't Ash Gray Long Sleeved, please visit the Easy as Pi T-shirt page.

    MUSCLES T-SHIRT FRONT
    FRONT

    		 Muscles Anatomy T-shirt
  • Small, Medium, Large, XL $18; 2XL $20.
  • 100% pre-shrunk cotton.
    		•  MUSCLES T-SHIRT BACK
    BACK
    SCIENCE! T-SHIRT RED Science! T-shirt (Red)

  • Shirt is Red. 100% pre-shrunk cotton.
  • Youth Small(6-8), Medium(10-12), Large(14-16) $12
  • Adult Small, Medium $16 .
  • This design is similar to the Blue Science! T-shirt design, but it is not identical.

    		•

    PARTICLES T-SHIRT BY SIDNEY HARRIS

    		 Particles Physics Cartoon T-shirt
    We have a very limited supply of this Sidney Harris cartoon t-shirt.

    Adult Short Sleeve Small $17.

    SCIENCE BLUE RIBBON LAPEL PIN

    Science Blue Ribbon Pin  

    3/4" (19 cm) wide x 1" (25 cm) high. $5.

    MATH BLUE RIBBON LAPEL PIN

    Math Blue Ribbon Pin  

    3/4" (19 cm) wide x 1" (25 cm) high. $5.

    SEMPER PI T-SHIRT Semper Pi T-shirt
    Semper Pi (Always Pi)
    Line below reads "United States Math Geeks".
    Shirt is red.  100% preshrunk cotton.
    Adult Small, Medium, Large, XL $16; 2XL $19.

    Stand Back I'm going to try science T-shirt
    FRONT OF SHIRT

    		 Stand Back Try Science T-shirt
    Caption: "Stand Back! I'm going to try science!"

  • Small, Medium, Large, XL, 2XL, 3XL, 4XL $18.
  • 100% pre-shrunk cotton.
  • This design is printed on a somewhat lighter weight shirt than our usual heavyweight t-shirts, although still plenty sturdy. It's sort of a lighter heavyweight t-shirt.

    		•
    WRIGHT BROTHERS NECKTIE WEATHER CHART NECKTIE AERODYNAMICS NECKTIE

    Wright Brothers Tie

    Silk. Cream. $19.

    Weather Chart Tie

    Silk. Cream. $19.

    Aerodynamics Tie

    Silk. Navy Blue. $19.
    APPLE PI T-SHIRT BLACK
    BLACK    		 Apple Pi T-shirt  
    What do you get when you divide the circumference of an apple by twice its radius?
    Apple Pi.

    Available on Black or Ash Gray.  100% preshrunk cotton.
    Adult Small, Medium, Large, XL $14; 2XL, 3XL, 4XL$16.

    		 APPLE PI T-SHIRT ASH
    ASH GRAY
    GENIUS T-SHIRT BLACK GeNIUS T-shirt
    What do Germanium, Nitrogen, Iodine, Uranium, Sulfur spell to a geek?
    GeNIUS.

    T-shirt is Black.  100% preshrunk cotton.
    Adult Small, Medium, Large, XL $14; 2XL, 3XL, 4XL $16.

    COGITO ERGO SUM MATH T-SHIRT BLACK FRONT
    FRONT OF SHIRT

    		 Cogito Ergo Sum shirt
  • Printed in white on Black shirt.
    • Front: Cogito, ergo sum.
    Back: I think, therefore I add.
  • Small, Medium, Large, XL $14; 2XL $16.
  • 100% pre-shrunk cotton.
  • Sizes Large and XL are currently out of stock.
    		•  COGITO ERGO SUM T-SHIRT BLACK BACK
    BACK OF SHIRT
    TYRANNOSAURUS DRINKS T-SHIRT
    FRONT OF SHIRT    		 Tyrannosaurus Drinks T-shirt  
    Dinosaur cartoon:
    Tyrannosaurus drinks;
    Tyrannosaurus drives;
    Tyrannosaurus Rex.

  • Shirt is Ash Gray. 99% pre-shrunk cotton, 1% polyester..
  • Adult Small,Medium, Large, XL $17; 2XL $20.
    • THE SCIENCE TeeCHER
    Math and Science
    Apparel and Accessories

    info@scienceteecher.com
    1-877-286-6212 Toll-free in USA