A daily crossword puzzle for color theory terms.
A poster featuring the phonetic transcription of "astronaut" in the International Phonetic Alphabet (IPA).
A collection of 2D plots depicting mathematical functions ranging from simple polynomials to inverse trigonometric relationships.
The Polish alphabet chart.
A daily crossword puzzle for the names of colors.
Discover a new Malay word every day.
Discover a new Japanese word every day.
A daily crossword puzzle for entomology terms.
The list of names of Earth's oceans and seas in the Māori language.
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