價格：免費
更新日期：2019-06-26
檔案大小：1.9M
目前版本：1.0.0
版本需求：Android 4.0 以上版本
官方網站：http://www.nummolt.com
Email：nummolt@gmail.com
聯絡地址：Maurici Carbó C/ Sant Antoni Maria Claret, 324 Barcelona 08041 SPAIN
Geoboard:
Buttons:
0=0 Insert new rubber band
T Erase rubber band
Col Change rubber band color
A Calculate area
Drag vertices and edges.
Drag all mesh touching thumbtacks.
Zoom mesh with 'pinch zoom'.
Menu:
Square or isometric mesh.
Practice:
Calculate area contained inside the rubber band (only in square mesh).
Pick's Theorem:
A = I + B/2 -1
A = Area
I = Inner dots.
B = Border dots.
Convex, concave polygons, positive or negative areas