Business & Finance


Scientific & Engineering


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Scientific & Engineering
Main functions
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Statistical Functions
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Unit Conversions
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Date & Time
CustomCalc manages information about dates and number of days: days between dates, date + number of days, conversions from hours in hours-minutes and seconds to hours in decimals.

From the keyboard,

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Day + x:
To add x days to a date introduced.
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Day - x:
To subtract x days to a date.
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Difference Between Days:

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Day of Week (DOW):
To return the Day Of Week for the date introduced
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Select Day:

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Today:
To return in one tap the current day.
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Convert HMS to HR:
To convert a number in HMS to decimal point hours (HR).
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Convert HR to HMS:
To convert a number in decimal hours (HR), to HMS.
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HMS(a) + HMS(b):
To add two numbers in HMS format.
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HMS(a) - HMS(b):
To subtract two numbers in HMS format.
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HMS * x:
To multiply a HMS format number by x.
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HMS / x:
To divide a HMS format number by x.