400
Common logarithm
For Common logarithm, press “Ctrl” with “l,” and then “n.” This is displayed
as log(.
For example, to calculate the common logarithm of the 100, you press: Ctrl
with l, N, 100 and then “)”. That is, log(100) which gives the result 2.
Natural Logarithm
For Natural logarithm, press “Ctrl” with “l,” and then, “e.” This is displayed
as ln(.
For example, to calculate the natural logarithm of the 100, you press: Ctrl
with l, E, 100 and then “)”. That is, ln(100) which gives the result
4.60517019.
17.2 Display Compass Heading
Use this option to display the direction of the compass on the Braille Sense
U2 QWERTY. You can display the compass heading from anywhere on the
unit.
To display the compass heading, do the following:
Press "Enter-5-6" from anywhere on the Braille Sense U2 QWERTY.
The current status of the compass is displayed.
You can also access compass status in the "Utilities" menu. Move to
"Display Compass Heading" by pressing “down arrow button”. Press "Enter"
on the "Display Compass Heading" or simply press "h".
As you change direction, to check the current compass status, press
"Space". The current direction is announced.
To exit this function, press "Esc" or Alt-F4.
Note: It will take about 15 minutes to initialize the unit should the following
situations occur:
