### Related

poly:log(2*x-3);

solve(poly=8,x);

Calculate

##### log-solve

(log(9/145)*1.38e-23*...

solve(9/145);

Calculate

10^(2/log(10));

Calculate

##### log-plot2d

plot2d(log(x),[x, -4,...

Calculate

##### log-residue

residue (1/log(z), z,...

Calculate

log(100);

Calculate

Calculate

##### log

a:log(2*x-6)=2*log(x)...

Calculate

##### log

?log(34^5)/log(10);

Calculate

##### log-plot3d

x1_expr: 0.25*(1-u)*(...

x2_expr:0.25*(1-u)...

x3_expr: (log(u))*...

Calculate

### log

Run Example
```(%i1)f1(xi):= 1-xi^2;
2
(%o1)                          f1(xi) := 1 - xi
(%i2) f2(xi):= log(1/xi);
1
(%o2)                          f2(xi) := log(--)
xi
(%i3) integrate(xi*f1(xi),xi,k,1);
4      2
k  - 2 k  + 1
(%o3)                            -------------
4
(%i4) integrate(xi*f2(xi),xi);
2     2
xi    xi  log(xi)
(%o4)                          --- - -----------
4         2
(%i5) ```
Run Example
```e1: 2*(2*a*log(y)+a*log(x));
(%o1)                      2 (2 a log(y) + a log(x))
(%i2) logcontract(e1);
2  4
(%o2)                            a log(x  y )
(%i3) e2:-4*log(4)/3  + log(3)+ 2 *log(2) + 1;
4 log(4)
(%o3)                 - -------- + log(3) + 2 log(2) + 1
3
(%i4)  logcontract(e2);
4 log(4)
(%o4)                       log(12) - -------- + 1
3
(%i5) ```
Run Example
```diff(log(%e));
(%o1)                                  0
(%i2) ```

Help for Log