Mental Arithmetic Challenge app analytics for March 14

Quick arithmetic test question generator, supporting PDF export, print, share. ∙ Arithmetic paper generation: Customize operation type, number of questions, the maximum value and so on to generate questions. ∙ PDF export: Support PDF export of test questions. ∙ Print: Support questions to print on the selected printer. ∙ Share: Support sharing of generated questions. ∙ Math test: Customize the time limit, operation types and so on to generate challenge questions. ∙ Answer analysis: Answer analysis based on challenge questions, answers, etc.