"Lens 1.0" - the decision of the problems on optical lens

Maxxx

Good day!
I present you my program "Lens 1.0":
Quick and light way of the decision of the problems on optical lens.
Calculation of the following values and features of the thin lens:
- a focal length,
- a distances from the lens to the image,
- a distances from the object to the lens,
- a height of the object,
- a height of the image,
- a magnification of the lens.
The Calculation of an unknown values for convex lenses and for concave lenses.

Download (183 kb): http://maxxx.ucoz.ru/lens_1_0.rar

The program is written on Visual Basic 6.0.

I shall pleased hear any reviews, advices, critic.

Yours truly, Maxim