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10 cards from this deck
ax=biffx=loga(b)a^x = b iff x = log_a(b)ax=biffx=loga(b)
The base
The result
The exponent
a>0a > 0a>0 and a≠1a \neq 1a=1
b>0b > 0b>0
loga(x)=logb(x)logb(a)\log_a(x) = \frac{\log_b(x)}{\log_b(a)}loga(x)=logb(a)logb(x)
Calculators only have log10\log_{10}log10 and ln\lnln buttons
Natural logarithm (ln\lnln)
Common logarithm (log10\log_{10}log10)
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