Knights of the Lost Calculus play online

"Which creature has one voice and yet becomes four-footed and two-footed and three-footed?"
Asked the Sphinx, who had just been discovered by adventurers after centuries of isolation.

Little did he know that his riddle has been asked and answered millions of times during his dormancy.
Enraged by the adventurers who ridiculed his riddle, the Sphinx decided to challenge them with a new game:

They were sent to the Sphinx's secret dungeon, and must solve all the puzzles the Sphinx prepared for them!


Gameplay
The Sphinx will hurl numerous Math equations at you.
For correct equations, answer
For wrong equations, answer
Race against the clock, take your best hi-score and longest combo to dominate the leaderboard!


Requirements
Minimum Requirement: Android 2.3 or above
Recommended Requirement: Android 4.0 or above