CIGAL Reference Manual, Chapter 1 (Topics): operators
| xx[()]zxzoppaopxx | -group operations within an arithmetic expression |
| xx[==]zxzopeqtoxx | -logical “is equal to” operator |
| xx[++]zxzopauinxx | -auto-increment suffix operator |
| xx[--]zxzopaudexx | -auto-decrement suffix operator |
| xx[**]zxzopratoxx | -“raise to the power” operator |