WOLFRAM|DEMONSTRATIONS PROJECT

Calculating Integer Logarithms in Different Bases

​
power x
2
base of the logarithm
2
The equation
x
2
= 4 has the solution . . . ​ x
= log
2
4 = 2 because . . . ​
2
2
= 2 × 2 ​ = 4​
This Demonstration shows you how powers and logarithms work. The equation
x
a
=b
has as solution
x=
log
a
b
.