| isargunnamed | Is an element of a list named? |
| isNA | Check if an object is NA |
| mintersect | Set intersection of arbitrary number of arguments |
| myouter | Functions for some basic operations |
| nposargs | Function to count the number of positional arguments used in a call |
| parse_text | Parse expressions residing in character vectors |
| raw_history | Get the command history |
| shiftleft | Functions for some basic operations |
| shiftright | Functions for some basic operations |
| sim_complex | Simulate real or complex numbers using polar form |
| sim_numbers | Simulation based on polar form specifications |
| sim_real | Simulate real or complex numbers using polar form |