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For trigonometric function, you can input 'r' or default for radian, and input 'd' for degree. For
example, if you want to get the result of: 12+sin(PI/6) for radians, you should press '1', '2', plus '+'
one by one, then press the first letter of sin, the 'sin(' will be displayed automatically, you can press 'r'
or not for radians, press 'y', Division '/', '6', then press Enter button, you will get the equation with the
result: 12+sin(PI/6)=12.5.
For the percent operation, you can get the result when you put in the numbers first and the percent
sign '%' just after typing in the numbers. Immediately after you have typed in the percent sign '%', the
number that you have typed in will be converted into a percent value. For example, 20+10% equals
20+2. You will see the number 22 on pressing the % sign since 2 is 10% of 20. So, you get 22 for
your answer.
2.8 Tools mode
The tools application allows you access to the information center of your device.
In Tools menu, you can press Space+m (1-3-4 + Space) to mute all alarm beep, and press Space+m
again to enable alarm beep. You can also press Space+r (1-2-3-5+Space) to restore the Seika Braille
notetaker with the default settings: 24-hour time format, one minute sleep waiting time, beep is enable,
6-dot braille table, Grade one braille, auto scroll speed is middle.
2.8.1 Power Menu
tls>power
This function shows the battery charging power source and battery level. If your Seika Braille
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