⋆⋆⋆ The application was born out of the need for fast computing in the field, only bring Smartphone and do not sit on the computer, hoping to have the fastest tools to immediately handle practical requirements.
⋆⋆⋆ About features (version 1.0.0):
 ☆ Site tightness according to 22TCN 346-06: calculating the tightness according to input parameters, saving results, exporting to email. \ N
 ☆ Linear interpolation (usually used for high interpolation).
 ☆ Unit conversion (beta).
⋆⋆⋆ About access:
 ☆ Read and write memory: serve to save results and export calculation results.
 ☆ Internet access for emailing. \ N
⋆⋆⋆ About privacy: the application is completely free, does not require login as well as any other personal information.
⋆⋆⋆ Application with advertising
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Looking forward to the valuable suggestions and constructions from teachers, colleagues, users to develop more useful software.