User's Manual

BrailleNote Apex BT User Guide
8-201
8 The Scientific Calculator.
The Scientific Calculator, KeyPlus, can be used for straightforward sums such as addition and
division, and for more complex operations including statistics calculations and trigonometry.
The Nemeth Braille Code for Mathematics (Nemeth), the British Braille Mathematics Notation (UK
Braille), and the Unified English Braille Code (UEB) are supported for the entry and display of
calculations. In this chapter, if the command needed is different for Nemeth, UK Braille and UEB
then all the commands are listed with the Nemeth command first, then the UK Braille command,
then the UEB command.
For example, to enter the plus sign, the commands are:
Nemeth: dots 3-4-6
UK Braille: dots 2-3-5
UEB: dots 2-3-5
As well as being displayed in Braille you can have your calculations and results spoken. The result
of a calculation, or a whole calculation, can also be inserted into a document.
Remember that you can press SPACE with H for Help at any point.
8.1 Entering KeyPlus.
You can enter KeyPlus from the Main Menu by selecting Scientific Calculator, or from anywhere in
KeySoft by pressing BACKSPACE with ENTER with S. Your BrailleNote BT restores the display
to what it was when you last left the calculator. This might be the result of a calculation or part of
one you were entering. Continue entering the calculation or, if a result is displayed, starting a new
calculation clears the calculator.
To clear the calculator to zero, press BACKSPACE with dots 1-4.