From a6d091c39d780610451f6d9390022fbdace50784 Mon Sep 17 00:00:00 2001 From: Lyn Perrine Date: Mon, 3 Mar 2025 15:37:17 -0800 Subject: [PATCH] Add Combinatorics section to Qalculate! --- source/2/2.4/2.4.3/Qalculate.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/source/2/2.4/2.4.3/Qalculate.rst b/source/2/2.4/2.4.3/Qalculate.rst index b2f20a2f..f3ca8657 100644 --- a/source/2/2.4/2.4.3/Qalculate.rst +++ b/source/2/2.4/2.4.3/Qalculate.rst @@ -37,6 +37,10 @@ To exponentiate a base number to a power left click x :sup:`y` or type :kbd:`^`. To take a natural logarithm left click on the :guilabel:`ln` button or type in :kbd:`ln()`. To take a logarithm on base 10 right click on the :guilabel:`ln()` button or type in :kbd:`log10()`. To take a logarithm with base n middle click on :guilabel:`ln` and then input your base. +Combinatorics +------------- +to take take a factorial of an integer type :kbd:`x!` after it or left click the :guilabel:`!` button. To take the number of permutations right click on the :guilabel:`x!` or type :kbd:`perm()`. To take the number of combinations fo something middle click on :guilabel:`x!` or type :kbd:`comb()`. + Saving Variables ---------------- To save a new variable in Qalculate! press :kbd:`Control +S` or left click the :guilabel:`floppy disk` icon and a window will popup. Type a name for your variable in the :guilabel:`Name` field. The :guilabel:`Required` tab is for required fields for your variable. Type what you want your variable to be equal too in the :guilabel:`Value` field. To add additional description to your variable use the :guilabel:`Description` tab. Choose which category to put this variable in in :guilabel:`Category`. To give a descriptive name to your variable type that in :guilabel:`Descriptive name`. To toggle hiding a variable check/uncheck the :guilabel:`Hide variable` checkbox. To add more description to your variable type that in the :guilabel:`Description` field.