| MATLAB Function Reference Commands by Subject | Search  Help Desk |
| abs | Absolute value and complex magnitude |
| acos, acosh | Inverse cosine and inverse hyperbolic cosine |
| acot, acoth | Inverse cotangent and inverse hyperbolic cotangent |
| acsc, acsch | Inverse cosecant and inverse hyperbolic cosecant |
| angle | angle Phase angle |
| asec, asech | Inverse secant and inverse hyperbolic secant |
| asin, asinh | Inverse sine and inverse hyperbolic sine |
| atan, atanh | Inverse tangent and inverse hyperbolic tangent |
| atan2 | Four-quadrant inverse tangent |
| ceil | Round toward infinity |
| conj | Complex conjugate |
| cos, cosh | Cosine and hyperbolic cosine |
| cot, coth | Cotangent and hyperbolic cotangent |
| csc, csch | Cosecant and hyperbolic cosecant |
| exp | Exponential |
| fix | Round towards zero |
| floor | Round towards minus infinity |
| gcd | Greatest common divisor |
| imag | Imaginary part of a complex number |
| lcm | Least common multiple |
| log | Natural logarithm |
| log2 | Base 2 logarithm and dissect floating-point numbers into exponent and |
| log10 | Common (base 10) logarithm |
| mod | Modulus (signed remainder after division) |
| nchoosek | Binomial coefficient or all combinations |
| real | Real part of complex number |
| rem | Remainder after division |
| round | Round to nearest integer |
| sec, sech | Secant and hyperbolic secant |
| sign | Signum function |
| sin, sinh | Sine and hyperbolic sine |
| sqrt | Square root |
| tan, tanh | Tangent and hyperbolic tangent |