Accuracy in mathematical language I was preparing some revised GCSE booster lessons for MyMaths recently on the topic of Quadratic Equations. In some examples I requested that answers be left ‘in surd form’. By this I meant those irrational solutions coming from completing the square or using the quadratic formula. My editor’s response made me stop […]
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Visiting my home town of Leeds recently, my relatives took me to a restaurant in the city centre called The Alchemist. The sign above the door and on their business cards caught my interest. All kinds of maths sprung to my mind. Symmetry. Construction. Pythagoras. Trigonometry. Surds. Proof. The symbol could be presented to students […]
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The square root sign Nowadays if any definition issue or technicality arises my first response is to trawl the internet, which often leads me down diverse paths. This one took me to square root and cube root signs. Wikipedia suggests the tick sign first appeared in 1525, along with + and -, in a work […]
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