Multi-purpose calculators for basic math and advanced engineering functions. Track stress with a secure journal using Keychain security. Access all features offline. Store data locally with no cloud syncing. Set a PIN for journal access.
Learn multiplication, division, powers of ten, and negative numbers with adjustable difficulty levels. Track progress through exercises and export results as PDF for sharing.
Guess which superhero is hidden in the with realistic character silhouettes. Play eight modes including normal, upside down, spinning, and giant variations. Solve puzzles in Spider-Man escape rooms.
