to my surprise, it turns out that org-mode's spreadsheet does support units, because it uses emacs calc-eval. But calc seems to have its own dimensional analysis engine rather than using gnu units. i was hoping to get a temperature in this last column, for example:
| 3 mm | 4 kg | 0.44444444 kg / mm^2 | 44.444444 kg m^2 / (s^2 mm^2) | (44.444444 kg m^2 / (s^2 mm^2 stefanboltzmann))^0.25 |
| 2 mm | 1 kg | kg / (4 mm^2) | 25 kg m^2 / (s^2 mm^2) | (25 kg m^2 / (s^2 mm^2 stefanboltzmann))^0.25 |
#+TBLFM: $3=$2/$1/$1::$4=$3*(10m/s)**2::$5=($4/ stefanboltzmann)**(1/4)
(edited, previous incorrect version follows)
| 3 mm | 4 kg | 0.44444444 kg / mm^2 | 300 mm m^2 / s^2 | (300 mm m^2 / (s^2 stefanboltzmann))^0.25 |
| 2 mm | 1 kg | kg / (4 mm^2) | 200 mm m^2 / s^2 | (200 mm m^2 / (s^2 stefanboltzmann))^0.25 |
#+TBLFM: $3=$2/$1/$1::$4=$1*(10m/s)**2::$5=($4/ stefanboltzmann)**(1/4)
similarly here i was hoping to get the time until the laptop charges and i guess i sort of did but not really
