Feature

Calculation History

Review previous entries, restore important calculations, and keep each workspace organized with clean historical context.

Key Benefits

Restore any saved calculation without re-entering the values.

Keep personal and project work separated by workspace.

Add tags to entries and filter by tag to find results faster.

Export a workspace’s history to JSON for backup, or import entries from CSV.

How It Works

1

Work in any calculator — entries are autosaved, or press Cmd/Ctrl + S to save a specific state.

2

Open the right-hand panel to browse and filter the current workspace’s history.

3

Click Restore on an entry to bring that calculation back, in the same tab or a new one.

4

Use the Export and Import buttons at the bottom of the panel for backups.

Try History in CalcTrail

Open a calculator and start saving entries to build your history timeline.

Open a Calculator

Frequently Asked Questions

Entries are autosaved while you work, and you can save a specific state deliberately with the save icon or Cmd/Ctrl + S.
Yes. Click Restore on any history entry to bring it back with all its inputs. In Settings you can choose whether restoring opens a new tab or replaces the current one.
Yes. Each workspace keeps its own history, so a work project and your personal finances never mix.
Guests can keep up to 50 entries per workspace; a free account raises that to 100 per workspace across 10 workspaces.
Yes. Export the current workspace’s history to a JSON file, or import entries from a structured CSV file, using the buttons at the bottom of the history panel.