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How to use your smartphone as your on demand formula and calculator
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now to create your own on demand formula and voice calculator website.
TRY VOICE CALCULATOR
valid only for smartphone with microphone icon.
Touch clear button. Next touch input box button. Next delete existing number. Next touch microphone icon 
. Next speak numbers only. Always use the word point for whole number. For example say 5 point 0 instead of saying five. For decimal you say point zero, zero , five (.005). Next touch "done" button for I-phone (Apple) and touch "go" button for Samsung.
Weight Conversion
gallon of water
= lbf, pound force
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ft3 of water weighs
= lbf, pound force
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in3 of mercury weighs
= lbf
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Beta testing for limited time