Add some units

book/src/list-units.md

@@ -14,7 +14,7 @@ and — where sensible — units allow for [binary prefixes](https://en.wikipedi
 | `Angle` | [Minute of arc](https://en.wikipedia.org/wiki/Minute_and_second_of_arc) | `arcmin`, `arcminute`, `arcminutes` |
 | `Angle` | [Second of arc](https://en.wikipedia.org/wiki/Minute_and_second_of_arc) | `arcsec`, `arcsecond`, `arcseconds` |
 | `Angle` | [Degree](https://en.wikipedia.org/wiki/Degree_(angle)) | `deg`, `degree`, `degrees`, `°` |
-| `Angle` | [Gradian](https://en.wikipedia.org/wiki/Gradian) | `gon` |
+| `Angle` | [Gradian](https://en.wikipedia.org/wiki/Gradian) | `gon`, `gons`, `grad`, `grade`, `grades`, `gradian`, `gradians`, `grads` |
 | `Angle` | [Radian](https://en.wikipedia.org/wiki/Radian) | `rad`, `radian`, `radians` |
 | `Angle` | [Revolution](https://en.wikipedia.org/wiki/Revolution_(unit)) | `rev`, `revolution`, `revolutions` |
 | `Angle` | [Turn](https://en.wikipedia.org/wiki/Turn_(geometry)) | `turn`, `turns` |
@@ -23,6 +23,8 @@ and — where sensible — units allow for [binary prefixes](https://en.wikipedi
 | `Area` | [Barn](https://en.wikipedia.org/wiki/Barn_(unit)) | `barn`, `barns` |
 | `Area` | [Football field](https://en.wikipedia.org/wiki/Football_pitch) | `footballfield` |
 | `Area` | [Hectare](https://en.wikipedia.org/wiki/Hectare) | `ha`, `hectare`, `hectares` |
+| `Beat` | [Beat](https://en.wikipedia.org/wiki/Beat_(music)) | `beat`, `beats` |
+| `Beat / Time` | [Beats per minute](https://en.wikipedia.org/wiki/Tempo) | `bpm`, `BPM` |
 | `Capacitance` | [Farad](https://en.wikipedia.org/wiki/Farad) | `F`, `farad`, `farads` |
 | `CatalyticActivity` | [Katal](https://en.wikipedia.org/wiki/Katal) | `kat`, `katal`, `katals` |
 | `Current` | [Ampere](https://en.wikipedia.org/wiki/Ampere) | `A`, `ampere`, `amperes` |
@@ -76,6 +78,7 @@ and — where sensible — units allow for [binary prefixes](https://en.wikipedi
 | `Length` | [Nautical Mile](https://en.wikipedia.org/wiki/Nautical_mile) | `nautical_mile`, `nautical_miles`, `NM`, `nmi` |
 | `Length` | [Parsec](https://en.wikipedia.org/wiki/Parsec) | `parsec`, `parsecs`, `pc` |
 | `Length` | [Planck length](https://en.wikipedia.org/wiki/Planck_length) | `planck_length` |
+| `Length` | [Rack unit](https://en.wikipedia.org/wiki/Rack_unit) | `rackunit`, `rackunits`, `RU`, `U` |
 | `Length` | [US rod](https://en.wikipedia.org/wiki/Rod_(unit)) | `perch`, `rod`, `rods` |
 | `Length` | [Smoot](https://en.wikipedia.org/wiki/Smoot) | `smoot` |
 | `Length` | [Stoney length](https://en.wikipedia.org/wiki/Stoney_units) | `stoney_length` |
@@ -142,7 +145,9 @@ and — where sensible — units allow for [binary prefixes](https://en.wikipedi
 | `Pressure` | [Standard atmosphere](https://en.wikipedia.org/wiki/Standard_atmosphere_(unit)) | `atm`, `atmosphere`, `atmospheres` |
 | `Pressure` | [Bar](https://en.wikipedia.org/wiki/Bar_(unit)) | `bar`, `bars` |
 | `Pressure` | [Inch of mercury](https://en.wikipedia.org/wiki/Inch_of_mercury) | `inHg` |
+| `Pressure` | [Kilopound-force per square inch](https://en.wikipedia.org/wiki/Ksi_(unit)) | `ksi`, `KSI` |
 | `Pressure` | [Millimeter of mercury](https://en.wikipedia.org/wiki/Millimeter_of_mercury) | `mmHg` |
+| `Pressure` | [Megapound-force per square inch](https://en.wikipedia.org/wiki/Ksi_(unit)) | `mpsi`, `MPSI` |
 | `Pressure` | [Pascal](https://en.wikipedia.org/wiki/Pascal_(unit)) | `Pa`, `pascal`, `pascals` |
 | `Pressure` | [Pound-force per square inch](https://en.wikipedia.org/wiki/Pounds_per_square_inch) | `psi`, `PSI` |
 | `Pressure` | [Torr](https://en.wikipedia.org/wiki/Torr) | `torr` |

numbat/modules/units/misc.nbt

@@ -77,6 +77,16 @@ unit torr: Pressure = 101325 / 760 × pascal
 @aliases(PSI: short)
 unit psi: Pressure = 6.894757 kPa
 
+@name("Kilopound-force per square inch")
+@url("https://en.wikipedia.org/wiki/Ksi_(unit)")
+@aliases(KSI: short)
+unit ksi: Pressure = 1000 psi
+
+@name("Megapound-force per square inch")
+@url("https://en.wikipedia.org/wiki/Ksi_(unit)")
+@aliases(MPSI: short)
+unit mpsi: Pressure = 1000000 psi
+
 @name("Standard atmosphere")
 @url("https://en.wikipedia.org/wiki/Standard_atmosphere_(unit)")
 @aliases(atmospheres, atm: short)
@@ -100,6 +110,11 @@ unit footballfield: Area = 105 m × 68 m # Standard FIFA football pitch
 @url("https://en.wikipedia.org/wiki/Olympic-size_swimming_pool")
 unit swimmingpool: Volume = 50 m × 25 m × 2 m # Olympic-size swimming pool (FR3)
 
+@name("Rack unit")
+@url("https://en.wikipedia.org/wiki/Rack_unit")
+@aliases(rackunits, RU: short, U: short)
+unit rackunit: Length = 0.04445 meter
+
 # Angles
 
 @name("Turn")
@@ -109,7 +124,8 @@ unit turn: Angle = 2 π rad
 
 @name("Gradian")
 @url("https://en.wikipedia.org/wiki/Gradian")
-unit gon: Angle = 90° / 100
+@aliases(gradians, grad, grads, grade, grades, gon, gons)
+unit gradian: Angle = 90° / 100
 
 ### Abbreviations
 

numbat/modules/units/placeholder.nbt

@@ -39,6 +39,18 @@ unit frame: Frame
 @url("https://en.wikipedia.org/wiki/Frame_rate")
 unit fps: Frame / Time = frame / second
 
+# Basic unit of time in music
+dimension Beat
+
+@name("Beat")
+@url("https://en.wikipedia.org/wiki/Beat_(music)")
+@aliases(beats)
+unit beat: Beat
+
+@name("Beats per minute")
+@url("https://en.wikipedia.org/wiki/Tempo")
+@aliases(BPM: short)
+unit bpm: Beat / Time = beat / minute
 
 # A separate or limited portion or quantity of something
 dimension Piece