Henning Poulsen

Point your iPhone to the sky and explore the movement of the sun, moon, planets and stars across the

立即獲取當前位置的天氣，風速和真正的風向！此應用程序始終在浮動指南針或地圖上顯示風向（單擊指南針或地圖切換），並預測未來七天的每個小時！想知道風在哪個方向吹？你需要這個應用程序，現在下載並跟隨風速，風

3D Augmented Reality Compass! A compass in your pocket, always ready to use.Using your camera includ

A planetarium in your pocket! Watch planets and stars move over the sky while you swipe to fast forw

It's free! Just download and study the sky right away!It's also free of ads.Point your iPhon

Primes, Prime FactorsAboutThis app lets you• check numbers to see if they are prime numbers,• find n