Math Constants
3.1415926535
2.7182818284
1.6180339887
0.5772156649
Examples
| Calculate | Button/Key Sequence |
| 2 x 3 | |
| (2 x 3) + 10 | |
| 2 x (3 + 10) | |
| √ 2 | |
| 1/1024 | |
| 2 x √ 2 | |
| -23 | |
| √ 32 + 42 |
|
| π x 102 | |
| 256 + 10% | |
| 5% of 25 | |
| 53 √ 2 + 6 |
Keyboard Shortcuts
| Button | Key | |
| 0 ... 9 | Digits | |
| Esc | All Clear | |
| Delete | Clear Entry | |
| Backspace | ||
| =orEnter | Equals | |
| . | Decimal Point | |
| + | Add | |
| - | Subtract | |
| *orX | Multiply | |
| / | Divide | |
| A | Memory Add | |
| C | Memory Clear | |
| R | Memory Recall | |
| S | Memory Subtract | |
| I | Invert +/- | |
| F1 | Square Root | |
| F2 | Percent | |
| F3 | Reciprocal 1/x | |
| F4 | Squared x² | |
| Alt-P | π - Pi | |
| Alt-E | e - Natural Log | |
| Alt-G | ϕ - Golden Ratio | |
| Alt-Y | γ - Euler's Constant | |
Settings
Bookmark this link for above settings . . .
Features
- 12-Digit display, 16-Digit math accuracy
- Simple left to right math calculations
- Fixed or floating point operation
- 4 Math operands (Add, Subtract, Multiply, Divide)
- 5 Math functions (Square Root, Squared, Reciprocal, Inverse, Percent)
- 4 Memory functions (Add, Subtract, Recall, Clear)
- Clear all, clear entry, and backspace
- Digit grouping 000's along with
international ',' and '.' use settings - Keyboard input with button feedback
- Reusable math calculation history
(last 100 calculations) - Savable settings, history, memory, and display
- Easy to repeat last operation
- Displays math expression
- Copy and paste values
- Clear error messages
- Resizable
About
Calculator - Version:
Created by Internet-Calculator.com
Internet-Calculator.com calculators
excel in . . .
- Accuracy
- Robustness
- Ease of use
- Speed
Perfect for use in meetings, classrooms,
and at home.
Free Large Online Calculator
A free large online calculator with a 12-digit display, calculation history, and memory functions. Resize it to any window size — it fills your screen whether you're on a desktop or laptop.
Saves your work when closed, so when you reopen it you pick up right where you left off — even mid-calculation. Supports keyboard input, international digit formatting, and the last 100 calculations are stored in history and reusable with a single click.
Built for daily use — at home, in meetings, or in the classroom. No download, no install, no account required. Just open and calculate.
- 12-Digit Display — with 16-digit math precision
- Calculation History — last 100 calculations, reusable with one click
- Memory Fnctions — store, recall, add, and subtract from memory
- Resizable — fills any window size on desktop or laptop
- Saves Your Work — picks up where you left off after closing
- Keyboard Support — full keyboard input with key highlight feedback
- International Formats — choose your digit grouping and decimal symbol
- Nothing to Install — runs in any modern browser
