Flash is an awesome and simple Natural Language Calculator. It is FREE and has No Ads. We also do not collect any user data except your login. Flash can perform a broad range of math operations ranging from simple calculations to complex scientific and graphing operations using just your natural language.
Flash is very easy to use. All you have to do is to tap the microphone and ask your math question to get your answer. You can also edit your question by just tapping on the "input" field and the "go" key on the virtual keyboard.
Users can share the results via email or any messaging app on their smartphone and see all historical operations.