Price: Free to download; In-app purchases: $0.99-$299.99; Size: Varies with device; Google Play rating: 4.7 out of 5 stars; Photomath is probably the best math problem-solving app for most users.

Move over, calculator: These apps solve math problems by taking a picture by: Rich DeMuro. Posted: Sep 27, ... then tap the new “scan” icon, which is located under the shutter button.

These functions include a QR Code scanner, Documents scanner, ID Card Scanner, Passport scanner, Area Calculator, Object Counter, and Math Problem solver. The app comes with preset borders for ...