The ultimate in mathematical socks! Turn your feet into blackboards showing: the logarithm and its identities, Gaussian integral, Euler’s identity, the fundamental theorem of calculus, prime number theorem, the Pythagorean theorem, Euler’s formula for polyhedra, Newton’s infinite series for e, Euler’s number, normal probability density function, Riemann zeta function, the origin of complex numbers, Chebyshev function, Euler’s series for pi, Fourier transform & Binomial theorem.
Sizes: 4 - 7 UK (8-11 US) and 7 - 11 UK (10-12 US).
Made of 70% cotton, 28% nylon and 2% elastane.
An inspirational set of pencils for the most passionate music-lover. Featuring sound sentiments including 'No such thing as too loud', and 'Turn it up and the World disappears'. 6 HB pencils in a themed box. Pack measures 19 x 6 x 1.5 cm.
This book takes you from a simple London flat to an ancient ruin buried under a Spanish city and beyond. There are a wide variety of puzzle types, including traditional puzzles on the page and more interactive puzzles that involve paper-crafting. A timed element is...
Be proud of your individuality, and your ability to take part in an unstoppable avalanche. Part of our Badges of Honour range. Enamelled blue and silver metal badge. Measures approx 3 cm long. Made in the UK.
Comfort yourself during the unstoppable arrival of Christmas with your favourite drink in this large fine bone china mug. Printed on the front with "Oh BOLLOCKS It's Christmas" and with various vintage Christmas-related images on the back and inside the rim. It won't save you...