Viva Series, Calculator 699
34 Calculator
34.1 Accessing the Calculator
Description The calculator can be used to perform the following arithmetic operations such as
• addition, subtraction, multiplication and division
• statistics
• trigonometry, hyperbolic trigonometry and calculations with Pi
• polar, rectangular and angle conversions
• powers, logs, roots and exponential functions.
Operating modes The calculator has two operating modes - RPN mode and Standard mode.
The arithmetic operations available are identical, the difference lies in the way information
is entered, stored and displayed on the screen.
Access Press Calc in any screen when editing an editable field for numeric characters, such as
Azimuth in Traverse Input.
Type Description
RPN Reverse Polish Notation
This operating mode was developed as a way of writing mathematical
expressions without using parenthesis and brackets. Many scientific calcu-
lators, for example Hewlett Packard calculators, are implemented with this
operating mode. Values are entered and kept in a working stack.
Standard This operating mode is based on the principles of conventional pocket
calculators. There is no stacking of values.
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