diff --git a/source/2/2.4/2.4.3/Qalculate.rst b/source/2/2.4/2.4.3/Qalculate.rst index 5dc0aff6..4d7c8122 100644 --- a/source/2/2.4/2.4.3/Qalculate.rst +++ b/source/2/2.4/2.4.3/Qalculate.rst @@ -31,6 +31,8 @@ To force a minimum nubmer of decimal points after the result left click on the l To test an test if two things are equal you can type :kbd:`=` between two expressions or left click :guilabel:`x=` and then get true or false on if there is equality. To test if something is not equal long left click on :menuselection:`x= --> ≠` or type in :kbd:`≠` between two expressions. To test if one expression is less than the other expression type in :kbd:`<` or long left click on :menuselection:`x= --> <` between two expression. To test if annother expresion is less than or equal type in :kbd:`≤` or long left click on :menuselection:`x= --> ≤` between two expressions. To test if one expression is greater than another type :kbd:`>` or long click on :menuselection:`x= --> >` between two expresssions. To test if one expression is greater than or equal to another type :kbd:`≥` or long left click on :menuselection:`x= --> ≥`. Many of these get their own button on the alegebra keypad which can be switched to with the menu with 10 points :menuselection:`Keypad --> Algebra`. +To select the general keypad left click the 10 numbers :menuuselection:`Keypad --> General`. To switch to a programming Keypad left click the 10 numbers :menuselection:`Keypad --> Programming`. To switch to an Algebra keypad left click the 10 dots :menuselection:`Keypad --> Algebra`. To have a custom keypad left click the 10 digits :menuselection:`Keypad --> Custom`. To add something to your custom keypad right click on an empty button. To toggle having no keypad press :kbd:`Control +K` or left click :menuselection:`Keypad --> None`. To hide the numberpad buttons uncheck the :menuselection:`Keypad --> Always show numberpad`. To just have the numberpad when not always shown select :menuselection:`Keypad --> Numberpad`. + Trigonometry ------------- Qalculate! offers many different trigonometric functions. When using these functions having the correct angle unit is important to have the angle unit set correctly or else you will get the wrong answer. To set the angle unit to degrees left click the left most button with two sliders and select :menuselection:`Degrees` in which 360 degrees make one full circle. To set the angle unit to radians in which 2π radians make one full circle left click the left most button on the toolbar and select :menuselection:`Radians`. To have the angle unit set to Gradians in which 400 gradians make a full circle left the leftmost button on the toolbar and select :menuselection:`Gradians`.