1563ga – Calculated Industries 4400 User Manual

Page 35

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RATIo AND pRopoRTIoN

fUNCTIoNS

With the Ratio and Proportion keys you

can find:

• an

x value, given a Ratio and y value

• a

y value, given a Ratio and x value

• a Ratio, given values for

x and y

Ratios and Proportions can be

calculated with or without dimensional

units.
If the Ratio of nitrogen to hydrogen is

1:3, and a sample of ammonia has 1,563

nitrogen atoms, how many hydrogen

atoms are present?

KeYsTrOKe

disPlaY

OO

0.

1. Enter the Ratio:

1ga

(x value)

X 1.

3gp

(y value)

Y 3.

2. Show the Ratio:

gh

(X:Y)

1 = 3.0000

3. Enter the known number of

nitrogen atoms:

1563ga

(X)

X 1563.

4. Solve for the unknown number of

hydrogen atoms:

gp

(Y)

Y 4689.0000