Description: Posterized image of 3-1/2 floppy disk print. Retro technology nostalgia.

Description: Posterized image of 3-1/2 floppy disk print. Retro technology nostalgia. Black and white.

Description: Pi symbol in drip art style. Emotional Pi. With text.

Description: "Algorithm" diagram with text: Algos Don't Care. They only do what they are programmed to do. Geek, computer algorithm humor.

Description: Strangelet particle and quantum physics humor. Whaddaya know. Version with white text.

Description: Uncle Sam and his spouse wishing you happy Independence day.

Description: Fleur de lis, iconic floral symbol used in heraldry. Popular in France, Florence, New Orleans, Louisiana, among others.

Description: Cyclops emoticon.

Description: Scale, white. Symbol of justice and all kinds of other measurements.

Description: We Can Do It! Breast cancer awareness design. Pink version of classic Rosie the Riveter poster.

Description: Mona Lisa Pumpkin with text: Trick or Smile.

Description: Mona Lisa, posterized with text: Smile.

Description: Fictional Atlantis passport cover, with olive branches and dolphins seal.

Description: Stylized image of Angel from Bethesda Fountain in the heart of Central Park. New York City.

Description: State of mind humor, psychology humor. Funny state of mind saying. Distressed look.

Description: Discobolus humor. Young man with a discus.

Description: Fatherhood humor. Fatherhood, similar to motherhood, only less work. Fathers day.

Description: Tricolour flag of France, blue, white and red, distressed.

Description: Bernie Sanders 2020. Bernie's struggle for economic and social justice continues. Distressed white version.

Description: Bernie Sanders 2020. Bernie's struggle for economic and social justice continues.

Description: Pi symbol design with rotating squares and round Pi sequence. Celebrate Pi Day March 14!

Description: American flag, distressed. Black and white.

Description: Pi sign art executed in action painting style. Emotional Pi.

Description: Black and white British flag, distressed.

Description: Fibonacci numbers and nautilus. Fascinating artists and scientists for centuries. Golden mean, golden ratio, stock technical analysis, Fibonacci sequence, art proportions. White version.

Description: Pi symbol and spiral numbers. Good choice for geeks and anybody with interest in mathematics, sciences, engineering, history, etc. Fascinating smart people for a long time. Celebrate Pi Day, March, 14!

Description: Stylized profile of Queen Nefertiti, in simulated gold tones. One of the most famous personalities of Ancient Egypt.

Description: Pi sign and numbers are fascinating smart people for centuries. Technical, sketchy artsy look. Celebrate Pi Day March 14!

Description: Skeletal thumbs down icon. Thumbs down icon humor.

Description: Skeletal thumbs up icon. Thumbs up icon humor.

Description: Love trees. Celebrate Tree day.

Description: Stylized profile of Luna in her sphinx pose. White version.

Description: Round Greek key pattern design with Greek sail ship and playful dolphins. Red, distressed.

Description: Round Greek key pattern design with Greek sail ship and playful dolphins.

Description: Another version from the series "Hokusai Meets Fibonacci." Fibonacci spiral superimposed on "The Great Wave" by Hokusai. Fibonacci sequence, golden ratio, fascinating artists and scientists for centuries.

Description: Another version from the series "Hokusai Meets Fibonacci." Fibonacci spiral superimposed on "The Great Wave" by Hokusai. Executed in pop art style. Fibonacci sequence, golden ratio fascinating artists and scientists for centuries.