http://www.myfonts.com/fonts/tdf/nula/

Nula is humanist sans serif family equipped with 22 font files - 11 weights and italics - from Thin to Heavy. It is modern, functional and distinctive, ideal for multiple purposes. Curvy diagonal stems and endings characterize Nula as typeface with lively elegant and soft touch, but stable, well structured typeface at same time. Nula font family is fully legible in any size and with it’s variety of weights recommends itself for publishing or online magazine.Nula includes stylistic alternate letters, tabular and old style numerals, fractions, numerators and denominators, alternate forms of numerals and bunch of applicable symbols with arrows that are exchangeable in all weights, following weight thickens.