Roman Langrehr Apps

This app solves quadratic equations(ax²+bx+c=0), so you get the points where y=0. When you write inthe first box a 0, you can also get the zero points of a linearequation.When the checkbox in menu-> Settings is checked, you also getcomplex numbers as results.When you want an older version of this app, visit my website(link down). At the moment the website is only in german.

This app calculates from the coordiantes oftwopoints the equation of a line.Enter the coordinates in the fields and tap the button to gettheequation "mx+n".

Make your light bulb glow!

Degrees, minutes, decimal seconds <=> Degree, decimal minutes<=> Decimal degree