Source: scale_examples.f90
Linear, log, and symlog axis scales.
scale_examples.f90 - Source codeoutput/example/fortran/scale_examples/make example ARGS="scale_examples"

ASCII output:
Log Scale Example
+--------------------------------------------------------------------------------+
| |
| |
| * ----- |
| * ----- |
| * ---- |
| * ----- |
| * ----- |
| * ---- |
| * ----- |
| * ----- |
| * ---- |
| * ---- |
| $10^4$ ----- |
| * ----- |
| * ---- |
| * ----- |
| * ----- |
| * ---- |
| * ----- |
| * ---- |
| * ---- |
| * ----- |
| $10^3$************************************************************************ |
| 10 20 30 40 50 |
+--------------------------------------------------------------------------------+
x
exp(0.2x)

ASCII output:
Symlog Scale Example
+--------------------------------------------------------------------------------+
| |
| * |
| * ----------------------------------------------- |
| $10^5$ ----------------- |
| * ---- |
| * - |
| * - |
| * - |
| * - |
| * - |
| * - |
| * - |
| * - |
| * - |
| * -- |
| * - |
| * - |
| * - |
| * - |
| * - |
| * -- |
| $10^4$ - |
| ****************************************************************************** |
| 10 20 30 40 50 |
+--------------------------------------------------------------------------------+
x
xU+00B3 - 50x