Module: M4-R5: Internet of Things (IoT)
Chapter: Ch1 Computer Intro
LibreOffice Calc provides powerful tools for managing and analyzing data such as Sorting, Filtering, Advanced Filters, Database Functions, and Goal Seek. These tools make it easier to organize large datasets, find patterns, and perform complex analysis efficiently.
Sorting arranges data in a specific order — either ascending or descending — based on one or more columns.
| Name | Marks | City |
|---|---|---|
| Ravi | 85 | Delhi |
| Neha | 92 | Mumbai |
| Arjun | 78 | Kolkata |
To sort by Marks (Descending): Select all data → Data → Sort → Choose Marks → Order: Descending. The list will show Neha, Ravi, and Arjun in that order.
Filtering temporarily hides rows that do not meet certain conditions, displaying only relevant data.
Using the same table, to show only students from Mumbai:
Result: Only Neha (Mumbai) is visible.
The Advanced Filter allows complex conditions using a criteria range — for example, filtering data where marks are above 80 and city is Delhi.
| Criteria Range | |
|---|---|
| Marks | City |
| >80 | Delhi |
Then, go to Data → More Filters → Advanced Filter →
Select the criteria range → Apply.
Only rows meeting both conditions (Marks > 80 and City = Delhi) will display.
Use advanced filters for multi-condition or formula-based filtering (e.g., using =AND(Marks>80,City="Delhi")).
Database functions operate on ranges defined as database tables. They evaluate only rows that meet specified conditions.
For the student data:
Criteria:
Marks > 80
Formula:
=DSUM(A1:C4; "Marks"; E1:E2)
→ Adds Marks for students having Marks > 80.
92 + 85 = 177
Goal Seek is used to find the input value needed to achieve a specific result from a formula.
Suppose cell B1 = Price = 100, and B2 = Quantity = 10.
B3 = =B1*B2 → Total Sales = 1000.
If you want Total Sales = 2000, but want to know what Price should be:
LibreOffice calculates that B1 = 200 will achieve Total Sales = 2000.
Features like Sort, Filter, Advanced Filter, Database Functions, and Goal Seek make LibreOffice Calc a robust tool for managing, analyzing, and predicting data outcomes effectively.