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Ideally designed to help the pilot fill in his log book, Hour Calculator can more generally be used to quickly add or substract hours and minutes based figures of any kind. Hour Calculator allows the calculation of time difference, the spent time coming from an hourmeter, make a log book sum-up, find an ETA, a.s.o...

Hour Calculator allows a straight forward digits entry, without a ":" separator. Hour Calculator provides as well an history of the entries and calculations for verification purpose.

完美的设计在他的航海日志，以帮助飞行员填充，小时计算器可以更一般地用于快速添加或小时。减去和分钟以任何形式的数字。小时计算器允许时间差的计算，从小时计传来的花费的时间，做一个记录簿和行动，找到一个ETA，a.s.o ...

小时计算器允许一个直接的数字输入，没有“：”分隔符。小时计算器提供以及条目和计算验证目的的历史。

Hour Calculator

Hour Calculator的最新版本