The unary operations operate only on the variable x, placing the result of the operation back into position x. The values in positions y and z are not changed. The allowed unary operations in CCICAP are:
| Operator | Definition |
| EXP | x = EXP(x) (exponential) |
| LN | x = LN(x) (natural log) |
| SIN | x = SIN(x) (Sin, x in radians) |
| COS | x = COS(x) (Cos, x in radians) |
| TAN | x = TAN(x) (Tan, x in radians) |
| SQRT | x = SQRT(x) (square root) |
| CHS | x = -x (change sign) |
| CC | x = CONJG(x)(complex conjugate) |
| RE | x = REAL(x) (extract real part) |
| IM | x = IMAG(x) (extract imaginary part) |