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