Waardering 5 van 5 sterren

door Firefox-gebruiker 0cd40d op nov 18, 2017 ·

Darker background would be helpful to select the tabs! But fine work indeed. Thanks.

Waardering 5 van 5 sterren

door batman0509 op jul 14, 2014 ·

do you know all of the formulas ?
p.s. you did a great job.

door Chris Westbye (ontwikkelaar) op jul 15, 2014 ·

Thanks very much! And yes, I do - benefits of an engineering science background!