| adjusted | Compute the adjusted exponent |
| as_decimal | Convert a vector to decimal |
| as_decimal.character | Convert a vector to decimal |
| as_decimal.decimal | Convert a vector to decimal |
| as_decimal.default | Convert a vector to decimal |
| as_decimal.integer | Convert a vector to decimal |
| as_decimal.numeric | Convert a vector to decimal |
| clear_decimal_flags | Clear sticky decimal flags |
| decimal | Construct decimal vectors |
| decimal_context | Create a decimal arithmetic context |
| decimal_flags | Read sticky decimal flags |
| decimal_from_double | Controlled conversion from double |
| fma | Fused multiply-add |
| get_decimal_context | Get the active decimal arithmetic context |
| is_decimal | Test whether an object is a decimal vector |
| is_normal | Identify normal decimal values |
| is_qnan | Identify quiet NaN values |
| is_signed | Identify values with a negative sign |
| is_snan | Identify signaling NaN values |
| is_subnormal | Identify subnormal decimal values |
| is_zero | Identify decimal zeros |
| local_decimal_context | Install a decimal context for the current scope |
| mpdecimal_version | Report the bundled mpdecimal runtime version |
| NA_decimal_ | Missing decimal scalar |
| normalize | Remove unnecessary trailing zeros |
| number_class | Classify decimal values |
| quantize | Quantize decimal values to a scale |
| same_quantum | Compare decimal vector scales |
| set_decimal_context | Set the active decimal arithmetic context |
| with_decimal_context | Use a decimal context within a block |