Practice basic arithmetic operations like addition, subtraction, multiplication, and division. Tap correct expressions to earn points and avoid incorrect ones to prevent losing points. Track progress through a collection of 240 math problems.
Detect electromagnetic fields using phone compass. Measure magnetic and electric fluctuations. Identify sources of interference. Calibrate for accurate readings. Display real-time field strength. Save and share measurement data.
The allows players to compare scenes and identify differences. Five packs are available with 50 scenes each. Hints can be used twice for free or purchased. A magnifier tool is available for purchase to assist in finding objects.
