iBooks on Route Planning: For Navionics, Garmin BlueChart, MaxSea, iSailor, Marine Imray Charts, NavLink, iBoating, Aqua Maps and Marine Tides Planner.

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iPhone / iPad Time Calculator: TimeSums App Support  

•  This Time Calculator App provides a quick and easy way to add and subtract time. (iPad or iPhone iOS7)

•  Clocks A, B and C can be locked, once set, so that a variety of addition or subtraction problems can be solved.

•  The user friendly interface is designed to be easily used by the visually impaired. Large numerals are accessible

•  Audible feedback, with optional spoken numerals and clock times available 'on tap', to the user.

•  The App is specially designed for use in a marine context, with its night vision preserving 'redlight' display option.

•  Clock digits are easily entered, (maximum of 3 taps for any digit 1-9), incremented or decremented with a single 'tap'.  

•  Time offsets of GMT + 1, 2 and 3 hours can be included to see the effect of time zone differences on calculations.

•  The actual 'Time now’ can be automatically shown on Clock A and includes any daylight saving time as appropriate.

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Site <  > Next: Calculator examples

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> Next: Calculator examples

Resets

Entering Clock Digits

Hours Decrement

Speech

Digit magnification

'Time Now'

& Night Sight

Calculation examples

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Adds or subtracts time up to 71hrs 59min. Large Numerals and Audio Feedback for Visually Impaired users.

(Can Speak the Time).

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