version 1.0 was first released on 3rd February 2020 and includes calculation of step 1 and step 2 variables.
version 1.2 is released on 19th February 2020 and includes improved graphics, corrected strain units, and has functioning formula for calculating airway resistances.
version 1.3 is released on 13th March 2020 and includes improved graphics, Stage 3 and Stage 4 calculations for lung recruitability, as well as print and page reset functions.
We aim to improve on the usability of this calculator and improve on educational information behind each calculation.