### A→∡r

#### Synopsis

Convert an angle to radians

#### Description

The `A→∡r`

command turns a scalar or a suitable component of a composite object into an angle measured in radians.

In particular, if the component is:

- a
**scalar**, then the number is interpreted as an angle*in the current angular mode*and converted to radians; - a
**polar complex number**, then the angular component is converted to radians; - an
**angle**, then the angle is converted to radians; - a
**vector**, then any angle or polar complex number*but not scalars*is converted to radians as per above rules.

#### Compatibility

`A→∡r`

is specific to **newRPL** and has no direct equivalent in **userRPL**.

#### Usage

*Input*

4: 3: 2: 1: [ #2h ∡20g (1,2) (3,∡5.5°) ] ………………………………………………………………………………………………………… A→∡r

*Output*

4: 3: 2: 1:[ ∡2r ∡0.31415.r (1,2) (3,∡0.09599.r)… …………………………………………………………………………………………………………

#### Related Commands

Command | Short Description | |
---|---|---|

→∡° | Mark a number as an angle in degrees | NEW |

→∡r | Mark a number as an angle in radians | NEW |

→∡g | Mark a number as an angle in grads (gons) | NEW |

→∡d | Mark a number as an angle in DMS (DD.MMSS) | NEW |

A→∡° | Convert an angle to degrees | NEW |

A→∡r | Convert an angle to radians | NEW |

A→∡g | Convert an angle to grads (gons) | NEW |

A→∡d | Convert an angle to DMS (DD.MMSS) | NEW |

→RECT | Convert vector or complex to cartesian coordinates | NEW |

→POLAR | Convert vector or complex to polar coordinates | NEW |

→SPHER | Convert vector or complex to spherical coordinates | NEW |