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Basic calculations (comp) – HP 300s Scientific Calculator User Manual

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Basic Calculations (COMP)

This section explains how to perform arithmetic, fraction,
percent, and sexagesimal calculations.
All calculations in this section are performed in the COMP
Mode (

).

Arithmetic Calculations

Use the

,

,

, and

keys to perform arithmetic

calculations.
Example: 7

✕ 8 - 4 ✕ 5 = 36

The calculator automatically judges the calculation priority
sequence. For more information, see “Calculation Priority
Sequence.”

Number of Decimal Places and Number of
Significant Digits

You can specify a fixed number of decimal places and
significant digits for the calculation result.
Example: 1

÷

6 =

Initial Default Setting (Norm1)

3 decimal places (Fix3)

3 significant digits (Sci3)

For more information, see “Specifying the Number of Display
Digits.”

Omitting a Final Closed Parentheses

You can omit any closed parentheses ()) immediately
preceding the operation of the

key at the end of a

calculation only when using Linear format.