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Demonstration on how to use your smartphone as your formula and calculator tool
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subscribe now to create your own personal formula and calculator
Demonstration on how to use your smartphone as your formula and calculator tool
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VOICE DATA ENTRY
valid only for smartphone with microphone icon.
Touch clear button. Next touch any white button. Next touch microphone icon 
. Next speak numbers only.
For decimal use the word "point" example say, "thirteen point seventy five" . Then touch the Solve button.
From manufacturer line chart, you derive the following line equation
y = 0.032x + 5.55
where x - axis is the temperature in ° C and y - axis is the pressure in bar.
When the value of x ( Temperature)
= °C
answer the value of y ( Pressure )
= bar
