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To access the menu items,
1) Press “up arrow button” or “down arrow button” in the "program" menu.
2) Press "Enter" on the "Utilities" menu. Or, press "u" from the "program"
menu to open the Utilities menu.
3) The "Utilities" menu contains many settings dialogs and small applications.
The following sections discuss each of these menu options and their
functions in greater detail.
17.1 Calculator
Using the calculator on the Braille Sense U2 QWERTY you can do simple
math equations as well as complex scientific calculations. The results and
expressions are displayed in Braille, and spoken by the Braille Sense U2
QWERTY. While using the calculator, you can refer to the "help" menu by
pressing "F1" for hot key information on the various calculator functions.
To use the calculator, press "c" from within the "Utilities" menu. When using
the calculator on the Braille Sense U2 QWERTY, you need to type using
computer Braille when calculating or inserting expressions. You can clear
the calculator by pressing "Alt-c". If you insert numbers or a function into a
result, the result disappears; and if you enter operators, you move to the
next step. In addition, you can keep your result in the calculator's memory,
and recall it later. You can use the functions and operators via the calculator
menu or you can use the hot keys.
The calculator functions are explained in greater detail below.
17.1.1 General Functions
"General functions" is a dialog box that contains the "general function list", a
"Confirm" button, and a "Cancel" button. In the dialog box, you can navigate
among the controls using “Tab” and "shift-tab". In the general function list,
you can navigate the operators using “up arrow button” or “down arrow
button”. Or, in the list, you can press the first letter of the operator you want
