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17.1.4 Cosine Functions
You can activate the "Cosine Functions" by pressing "Enter" on "Cosine
Functions" or by pressing "i" from the menu. Or, in your calculation line, you
can open the "Cosine Functions" by pressing "Ctrl-i". The "cosine function"
list consists of "Cosine", "Arc cosine", and "Hyperbolic cosine". If you press
"Enter" on one of the three functions while moving with “up arrow button” or
“down arrow button”, or press "Enter" on "Confirm" while one of the functions
is focused, the calculation is performed. Or, you can activate one of the three
cosine functions by pressing the first letter of each from the list.
17.1.5 Tangent Functions
You can activate the "Tangent Functions" when you press "Enter" on
"Tangent Functions", or if you press "t" from the menu. You can also open
the menu by pressing “Alt”. Or, in your calculation line, you can open the
"Tangent Functions" by pressing "Ctrl-t". The "tangent functions" list consists
of "Tangent", "Arc tangent", and "Hyperbolic tangent". If you press "Enter" on
one of the three functions while moving with “up arrow button” or “down
arrow button”, or press "Enter" on "Confirm" while one of the functions is
focused, you can insert this function into your calculation. Or you can insert
one of the three tangent functions by pressing the first letter of each from the
list.
17.1.6 Logarithm Functions
The "Logarithm Functions" is a dialog, which contains the following: "function
list", a "Confirm" button, and a "Cancel" button. You can move among the
three items by pressing “Tab” or "shift-tab". The function list consists of
"Common logarithm" and "Natural logarithm", in which you can move by
pressing “up arrow button” or “down arrow button”.
