Xcalc: Internal Functions

Internal Functions

get_undef(expr)

• Parses the values where x is undefined from the expression (WIP)

add_item(list, element)

• Adds element to list and returns the modified list

filter_cplx(list)

• Removes all imaginary/complex values of list

• Returns filtered list

safe_bool(value)

• Returns false if value is not a boolean

• Otherwise it returns value