Instead of having to use long tape measures, students can use their smart phones to measure distances. Smartmeasure is free for androids. Theodolite for the iphone is $3.99. Please comment if you know a free app for the iphone.
Instead of having to use long tape measures, students can use their smart phones to measure distances. Smartmeasure is free for androids. Theodolite for the iphone is $3.99. Please comment if you know a free app for the iphone.