User's Manual

BrailleNote Apex BT User Guide
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8.6.2 Square Roots and Squares.
The square root operator precedes its number, while the squared operator occurs after its number,
following the written form.
For "square root", press:
Nemeth: dots 3-4-5
UK Braille dots 1-4-6
UEB: dots 1-4-6.
For "squared", press
Nemeth: SPACE with dots 3-4-5.
UK Braille: dots 2-3.
UEB: SPACE with 1-4-6.
Examples:
To calculate the square root of the sum of 3 squared plus 4 squared, type:
Nemeth: dots 3-4-5 ( 3 SPACE with dots 3-4-5 + 4 SPACE with dots 3-4-5) followed by ENTER.
The result "5" is displayed.
UK Braille: dots 1-4-6 ( 3 dots 2-3 + 4 dots 2-3 ) followed by ENTER. The result "5" is displayed.
UEB: dots 1-4-6 ( 3 SPACE with dots 1-4-6 + 4 SPACE with dots 1-4-6) followed by ENTER. The
result "5" is displayed.
8.6.3 Decimal Exponent.
Very large or very small numbers are often expressed in scientific notation as a power of 10. For
example, the number 4000 is equal to 4 * 1000, which may be written as 4 * 10 to the power of 3.
This number can be entered into a calculation by pressing: 4 x 3 - where x is the letter x.
Similarly, the number 0.05 can be entered by pressing 5 x SPACE with dots 3-6 2.