On Board Record - math solver app    <Back


Rank Start time End time
7 2020-09-17 07:02:01 2020-09-17 10:52:02
10 2019-10-23 07:12:02 2019-10-23 11:02:01
9 2019-10-18 07:22:01 2019-10-18 11:22:02