Examples from the TeXbook (Chapter 18, continued)

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TeXbook p. 166

F_n = F_{n-1} + F_{n-2} \qquad n \ge 2

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TeXbook p. 168

{\textstyle \int_0^\infty f(x),円dx} \quad y,円dx-x,円dy \quad dx,円dy = r,円dr,円d\theta \quad x,円dy/dx

\int_1^x{dt\over t} \qquad

\int_0^\infty {t-ib\over t^2+b^2} e^{iat},円dt = e^{ab} E_1(ab), \qquad a,b> 0

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TeXbook p. 169

{55\rm,円mi/hr} \qquad {g=9.8\rm,円m/sec^2} \qquad {\rm 1,円ml = 1.000028,円cc}

(2n)!/\bigl(n!,円(n+1)!\bigr) \qquad {52!\over 13!,13円!,26円!}

\sqrt2,円x\quad \sqrt{,円\log x} \quad O\bigl(1/\sqrt n,円\bigr) \quad [,0,1円) \quad \log n,円(\log\log n)^2 \quad

\textstyle x^2\!/2 \quad n/\kern-1mu\log n \quad \Gamma_{\!2} + \Delta^{\!2} \quad R_i{}^j{}_{\!kl} \quad \int_0^x\!\int_0^y dF(u,v) \quad \displaystyle \int\!\!\!\int_D dx,円dy