Skip to main content

Commercial Applications Study Guide

Study notes covering business software, office productivity tools, accounting applications, ERP systems, e-commerce platforms, and digital tools used in modern business environments.

Subject Areas

AreaWhat It Covers
Office ProductivityMS Word, Excel, PowerPoint, Google Workspace, email management
Spreadsheet ApplicationsExcel formulas, pivot tables, charts, data analysis, financial modelling
Database ApplicationsMS Access, SQL basics, data entry, forms, reports, queries
Accounting SoftwareTally, QuickBooks, GST filing, payroll, financial reports
ERP SystemsSAP, Oracle ERP, modules (finance, HR, inventory), workflow automation
E-CommerceOnline marketplaces, payment gateways, logistics, customer management
Digital CommunicationEmail, video conferencing, project management tools, cloud storage

Frequently Asked Questions

What is the difference between VLOOKUP and INDEX-MATCH in Excel? VLOOKUP looks up a value in the leftmost column of a table and returns a value from a specified column to the right. INDEX-MATCH is more flexible — it can look up values in any direction and is faster on large datasets. INDEX-MATCH is the preferred approach for complex spreadsheets.

What is a pivot table in Excel? A pivot table is an interactive summary tool that lets you quickly group, aggregate, and analyze large datasets without formulas. You drag fields into rows, columns, values, and filters to explore data from different angles — essential for business reporting.

What is the difference between ERP and CRM software? ERP (Enterprise Resource Planning) integrates core business processes — finance, HR, inventory, supply chain — into one system. CRM (Customer Relationship Management) focuses specifically on managing customer interactions, sales pipeline, and marketing. Many organizations use both, often integrated.

Pages in this directory: