Manual HP 20b business consultant financial calculator (page 20 of 75) (English)

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Mathematical Calculations

Table 2-2 Last Number

Keys Display Description

+:d/

Adds 1.23 and 56.123, then divides the sum by the

last number, 56.123. Returns results in the selected

display format.

For more complex problems requiring two or more operations, you do not need to enter parentheses to set operational priority.

Key in numbers and operations inside the parentheses first, followed by those outside of the parentheses. If a problem has

more than one set of parentheses, start by working with the operations and numbers in the innermost parentheses and work

out. For example, calculate:









6543 

One way to calculate this problem is to key in the numbers and operations within the parentheses first, followed by the

operation outside of the parentheses. See Table 2-3.

Table 2-3 Simple Arithmetic Calculations in RPN Mode

Keys Display Description RPN Stack

3I4+

Inputs the numbers and the

operation in the first set of

parentheses. Intermediate

results are displayed. Note

the (+) and (RPN)

annunciators.

Previous Value

5I6+

Inputs the numbers and the

operation in the second set of

parentheses. Intermediate

results are displayed. Note

the (+) annunciator.

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HP 20b business consultant financial calculator Manual

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