Spreadsheet component of the LibreOffice suite

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### Calculate sum of products in LibreOffice Calc

I am not that proficient in using Excel/Calc and I have a simple question.
I have a table of my studies, my grades and the respective credit points on those.
study grade cp
a 2.3 8
b ...

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### How to sum the multiplications of rows, being the multiplier variable in a spreadsheet

I have this spreadsheet:
I want to calculate the total income, but since the different rows are in different currencies the conversion must be done first. The currency values are mapped to codes in ...

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### How to set the default font in LibreOffice Calc?

How do you set the default font used in new documents of LibreOffice Calc? I am using LibreOffice 3.3.2.
Some answers below have been updated for LibreOffice 4 as well.

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### Adding a constant in LibreOffice Calc

How do you add a constant to a group of cells in LibreOffice Calc?
For example, here are four cells:
47 28 35 62
Now add 3 to each cell:
50 31 38 65

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### Calculations in terms of degrees minutes seconds in excel , libreoffice/openoffice or any other free spreadsheet

My dad's gotten into astrology, so he needs to do calculations for it - and most books use the Degrees Minutes Seconds nonmenclature - is there any way to set excel or open office calc to handle ...

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### How to separate number by its decimal point in Excel/Calc?

I've got a number in a spreadsheet like so: 28.686279
When I open this sheet in either LibreOffice Calc or Microsoft Excel, is there a formula function that returns the "whole number", I.e. 28. Also, ...

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### Any way to make interactive graphs in LibreOffice like Google Doc's Trend chart?

Google Docs has a nice trend viewer that can be created just like any other chart:
Is there any way to get an interactive graphic like this in OpenOffice? Manually adjusting the axes is really ...

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### How to make LibreOffice Calc to not to hide unfit content of a cell when the folowing cell contains data?

If I enter a long string into a cell it (the string) is normally displayed in its whole, taking a part of the next cell area. Line A (1) on the picture below is an example.
If I enter a long string ...

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### Incremental search in libreoffice-calc

Is there an incremental search feature in libreoffice-calc similar to that one in emacs or firefox?

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### Open Source Spreadsheet with Sensitivity Analysis

Is there any good Open Source spreadsheet program that has a solver for linear programs (either included or via an extension) that does a proper sensitivity analysis (shadow prices etc)? It seems like ...