Data commit

Task/Temperature-conversion/J/temperature-conversion-1.j

@@ -0,0 +1,11 @@
+   NB.  Temp conversions are all linear polynomials
+   K2K    =:     0    1    NB. K = (1  *k) +   0
+   K2C    =:  _273    1    NB. C = (1  *k) - 273
+   K2F    =:  _459.67 1.8  NB. F = (1.8*k) - 459.67
+   K2R    =:     0    1.8  NB. R = (1.8*k) +   0
+
+   NB.  Do all conversions at once (eval
+   NB.  polynomials in parallel). This is the
+   NB.  numeric matrix J programs would manipulate
+   NB.  directly.
+   k2KCFR =:  (K2K , K2C , K2F ,: K2R) p./ ]

Task/Temperature-conversion/J/temperature-conversion-2.j

@@ -0,0 +1,22 @@
+   NB. Format matrix for printing & tag each
+   NB. temp with scale, for human legibility
+   fmt    =:  [: (;:inv"1) 0 _1 |: 'KCFR' ;"0 1"_1 '0.2' 8!:0 ]
+   kcfr   =:  fmt@k2KCFR
+
+   kcfr 21
+K   21.00
+C -252.00
+F -421.87
+R   37.80
+
+   kcfr 0 NB. Absolute zero
+K    0.00
+C -273.00
+F -459.67
+R    0.00
+
+   kcfr 21 100 300  NB. List of temps works fine
+K   21.00  100.00  300.00
+C -252.00 -173.00   27.00
+F -421.87 -279.67   80.33
+R   37.80  180.00  540.00