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(For completeness the square root of -1 is the imaginary number i - used in radar and many other fields - and the A's in MATHEMATICS are Penrose triangles or tribars - useful in Scrabble as well
57 oz/y² (189 g/m²)
or a serious amateur / professional astronomer add a splash of color and whimsy to your hot chocolate
We know the world is full of morons
There is also much fun to be had with maths (eg the key part mathematics plays in our computer games - generating pixels and enabling the software & / or hardware that we as wetware use) let alone the raw utility of applying mathematical thinking to problem solving
Unisex organic cotton t-shirt - Squirrels Not just Wild at but Livid About Humans? Color:French Navy (For completeness the square rootMade from 100% organic ring spun cotton, this is a high quality, super comfy and eco friendly unisex t shirt. Design backstory: We do not inherit the Earth from our ancestors, we borrow it from our children Chief Seattle Our beautiful little blue Starship Earth holds all our memories as it hurtles through the cosmos being our crib before we reach for the stars. Until we have a sustainable capability to live off Earth there is no Plan B nor Planet B