For example to compute log 3, simply press the LOG button followed by a 3 and a close
parenthesis and hit ENTER. To compute
4
e , press 2
nd
LN followed by 4 and hit
ENTER.
TRIGONOMETRIC FUNCTIONS
Notice the SIN, COS, and TAN functions. To
use these features, we need to know whether
our angle is in Degrees or Radians. Setting the
angle is done by pressing MODE.
After pressing the MODE button you should see the following:
Currently, the calculator is in radian mode. If we wish to change the calculator to degree
mode we use the arrows on the keyboard to move the blinking cursor down to highlight
Degree and then press ENTER. You should have the following:
TAN
MODE
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