Say you've learnt math in your native language which is not English. Since then you've also read math in English and you appreciate the near universality of mathematical notation. Then one day you want to discuss a formula in real life and you realize you don't know how to pronunce "an". Status: I had little prior knowledge of the topic. This was mostly generated by ChatGPT4 and kindly reviewed by @TheManxLoiner. General Distinguishing case * F,δ * "Big F" or "capital F", "little delta" Subscripts * an * "a sub n" or, in most cases, just "a n" Calculus Pythagorean Theorem * a2+b2=c2 * "a squared plus b squared equals c squared." Area of a Circle * A=πr2 * "Area equals pi [pronounced 'pie'] r squared." Slope of a Line * m=y2−y1x2−x1 * "m equals y 2 minus y 1 over x 2 minus x 1." Quadratic Formula * x=−b±√b2−4ac2a * "x equals minus b [or 'negative b'] plus or minus the square root of b squared minus four a c, all over two a." Sum of an Arithmetic Series * S=n2(a1+an) * "S equals n over two times a 1 plus a n." Euler's Formula * eiθ=cos(θ)+isin(θ) * "e to the i theta equals cos [pronounced 'coss' or 'coz'] theta plus i sine theta." Law of Sines * sin(A)a=sin(B)b=sin(C)c * "Sine A over a equals sine B over b equals sine C over c." Area of a Triangle (Heron's Formula) * A=√s(s−a)(s−b)(s−c), where s=a+b+c2 * "Area equals the square root of s times s minus a times s minus b times s minus c, where s equals a plus b plus c over two." Compound Interest Formula * A=P(1+rn)nt * "A equals P times one plus r over n to the power of n t." Logarithm Properties * logb(xy)=logb(x)+logb(y) * Don't state the base if clear from context: "Log of x y equals log of x plus log of y." * Otherwise "Log to the base b of x y equals log to the base b of x plus log to the base b of y." More advanced operations Derivative of a Function * dfdx or ddxf(x) or f′(x) * "df by dx", or "d dx of f of x", or "f prime of x" or "f dash of x". Second De