SCIE1000 / SCIE1100 Formula Sheet Base quantity length mass time electric current thermodynamic temperature amount of substance luminous intensity SI unit name Symbol metre m kilogram kg second s kelvin K mole mol candela cd A ampere Multiple 101 102 103 106 109 1012 1015 1018 1021 1024 Prefix Symbol deca da hecto h kilo mega giga tera peta exa yotta Y k M G T P E Z zetta Multiple 10-1 10-2 centi 10-3 10-6 10-9 10-12 10-15 10-18 10-21 10-24 yocto Prefix deci milli micro nano pico femto atto zepto Symbol d c m µ n p f a z y Quantity Name frequency hertz Symbol Hz SI units SI base units - S force newton N - m . kg · s-2 pressure, stress pascal Pa N · m-2 m-1 . kg . s-2 energy, work, quantity of heat joule J power, radiant flux watt N · m m2 . kg . s-2 W J . S-1 m2 . kg · s-3 electric potential difference, electromotive force volt V W . A-1 m2 . kg · s-3 . A-1 Celsius temperature degree Celsius 0 - K function type general form linear y=mx + c quadratic y=ax2 + bx + c Newton's method xi+1 = Xi - f(x¡) f'(x2) power y = axP periodic y = Asin("(t-S)) + E exponential y = Cekt surge y = atPe-bt Trapezoid rule Atrap = (x2 - @1) (1/1-92) Euler's method ti+1 = ti + h yi+1 = yi + hy'; Test Positive A Test Negative C D True Status Yes No B Lotka-Volterra model Q' = aQ - bPQ P' = - cP + dPQ N=A+B+C+D accuracy = A+ D sensitivity A A +C N D specificity B+ D SIR model S S' = - a-I N S I' = a - I - bI N R' = bI