Basic Calculator
JavaScript Needed
MC
M-
M+
MR
AC
CE
±
x²
7
8
9
÷
%
4
5
6
×
1/x
1
2
3
−
0
.
+
=
Math Constants
π
Archimedes' Constant Pi3.1415926535
e
Natural Logarithmic Base2.7182818284
ϕ
Golden Ratio1.6180339887
γ
Euler's Constant0.5772156649
Examples
| To Compute |
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 | |
Reset
Settings
Display
Floating Point
Digit Grouping
No
Decimal Symbol
0.0
Negative Number
0.0
Rounding
Fix Math Errors
Show Math
To Calculator
Bookmark this link for the 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
- Easy to repeat last operation
- Displays math expression
- Copy and paste values
- Clear error messages
- Savable Settings
- Resizable
About
Basic Calculator - Version:
Created by Internet-Calculator.com
Internet Calculator develops calculators that excel in . . .
- Accuracy (16 digit)
- Robustness (calculator torture tests)
- Ease of use (intuitive, shortcuts, examples)
- Speed (loading, calculating)
Basic Calculator is perfect for use in meetings, classrooms, and at home.
Our Basic Calculator is a four-function math calculator with memory, history, percent, plus more, and it's resizable too.
Buy an ad-free version of this calculator . . .
Basic Calculator
