What can I do in Spreadsheets?

Most of what you use in Excel or Google Sheets:

• Formulas with suggestions as you type. Browse them under Insert → Function
• Charts, including column, line, pie, scatter and combo
• Pivot tables and slicers
• Conditional formatting and colour scales
• Filters, sorting, removing duplicates and splitting text to columns
• Data validation and dropdown lists
• Freezing rows and columns
• Protected ranges and sheets
• Comments and notes on cells
• Find and replace across all sheets

The list of keyboard shortcuts is under Help → Keyboard shortcuts