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Add qalculate functions text

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Lyn Perrine 2025-02-25 19:15:20 -08:00
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source/2/2.4/2.4.3/Qalculate.rst
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@ -15,6 +15,8 @@ To copy text from Qalculate! select the text and press :kbd:`Control + C` or rig
To store a value in calculator memory left click the :guilabel:`MS` button. To later get the same value out of the calculator left click the :guilabel:`MR` button. To clear the memory stored in the calculator press the :guilabel:`MC` button.
To bring up an extensive list of functions left click the :guilabel:`fx` button or press :kbd:`Control + F`. On the left hand side of the window is a :guilabel:`Category` column and to choose functions from that category left click on the category name. To see a list of the actual function are under the :guilabel:`Function` column. To insert a function into the main window left click the :guilabel:`Insert` button. To calculate an answer in a popup left click the :guilabel:`Calculate` button. To search for a function type in the magnifying glass field. To save a function in your favorites check the :guilabel:`Favorite` checkbox.
Qalculate also does many operations with fractions. To input 1/2 into something you can middle click on the :guilabel:`2` button. Similarly to input 1/3 middle click on :guilabel:`3` and for 1/4 middle click on :guilabel:`4` and so on. Qalculate will also simplify fractions if you type them in so if you type in 4/16 Qalculate! will reduce it to 1/4 and then also provide a decimal answer with a :guilabel:`=` sign for an exact value or an :guilabel:`≈` for an approximate solution if not exact. Qalculate! will also let you add, subtract, multiply, divide, or more advanced fractions with fractions and still show the result as fractions.
To exponentiate a base number to a power left click x :sup:`y` or type :kbd:`^`. To square a number right click x :sup:`y` or type :kbd:`sq()` around what you want to square. To raise e to a power middle click x :sup:`y` or type :kbd:`exp()` around what power you want to raise e to. To take the square root of something left click the :guilabel:`√` button or insert a :kbd:`√` character. To take the cube root of something right click the :guilabel:`√` button or type :kbd:`cbrt()`. To take the nth root of something middle click on the :guilabel:`√` button or type :kbd:`root( , )` where the first thing is what you are taking the root of and the second is which root to take.