Calculator with Variables
Store results in A/B/C, give them friendly names, and keep notes while you calculate. Switch between Basic and Scientific modes, and everything stays saved locally.
Result
0
History
Last 50No calculations yet.
Help & FAQ — Calculator with Variables
How to use
- Build an expression with the keypad or your keyboard and press =.
- Use Save → A/B/C for quick slots, or choose Save as… to create a named variable.
- Insert A/B/C or Insert… to reuse saved variables and notes.
Use cases
- Store recurring values like rent, tax rates, or constants for quick reuse.
- Document calculations with variable notes and history for later reference.
Tips & FAQs
- What’s the difference between slots and named variables?
- A/B/C are quick slots for fast saves. Named variables are unlimited and created with Save as…, then inserted by name.
- How do I insert a variable?
- Use Insert A/B/C for slots or Insert… to pick any saved variable. The name is inserted into your expression.
Formats & limits
- Supports basic arithmetic, parentheses, and common scientific functions
- Named variables must be unique identifiers (letters, numbers, underscores)
- History stores the last 50 calculations
Privacy
All calculations, variables, notes, and history are saved locally in your browser.
Related tools
Updated
15 October 2025