4.77 radian - Radian

Convert degrees to radians.

Example

Example 1: Basic Example

$ more dat1.csv
id,val
1,60
2,180
3,
4,0
5,-90
$ mcal c='radian(${val})' a=rsl i=dat1.csv o=rsl1.csv
#END# kgcal a=rsl c=radian(${val}) i=dat1.csv o=rsl1.csv
$ more rsl1.csv
id,val,rsl
1,60,1.047197551
2,180,3.141592654
3,,
4,0,0
5,-90,-1.570796327