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Basic Calculator

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Basic Calculator
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Great in the office, classroom, and home.
Robust, accurate, and easy to use.

 
JavaScript Needed
MC
M-
M+
MR
AC
CE
±
7
8
9
÷
%
4
5
6
×
1/x
1
2
3
0
.
+
=
Clear

History

Math Constants

π
Archimedes' Constant Pi
3.1415926535Alt-P
e
Natural Logarithmic Base
2.7182818284Alt-E
ϕ
Golden Ratio
1.6180339887Alt-G
γ
Euler's Constant
0.5772156649Alt-Y

Examples

To Compute
 
Button/Key Sequence
 
2 x 3 2×3=
(2 x 3) + 102×3+10=
2 x (3 + 10) 3+10×2=
√ 2
2
1/102410241/x
2 x √ 2
2×2=
-232±×==
√ 32 + 42
3+4=
π x 10210×=×Alt-P=
256 + 10%256+10%=
5% of 25 5%×25=
     53
√ 2 + 6
2+6=1/x
×5===

Keyboard Shortcuts

ButtonKey
0 ... 90 ... 9Digits
ACEscAll Clear
CEDeleteClear Entry
Backspace
==orEnterEquals
..Decimal Point
++Add
-Subtract
×*orXMultiply
÷/Divide
M+AMemory add
MCCMemory clear
MRRMemory recall
M-SMemory subtract
±IInvert +/-
F1Square Root
%F2Percent
1/xF3Reciprocal 1/x
F4Squared x²
Alt-Pπ - Pi
Alt-Ee - Natural Log
Alt-Gϕ - Golden Ratio
Alt-Yγ - Euler's Constant

Settings

Display:
Floating Point
Digit Grouping:
No
Decimal Symbol:
0.0
Negative Number:
0.0
Rounding:
Fix Math Errors:
Show Math:
Calculator Size:
Max Height
To Calculator
   

Bookmark link below for the settings above . . .

 

Features

  • 12-Digit display, 16-Digit math accuracy
  • Simple left to right math calculations
  • Fixed or floating point operation
  • 4 Basic operands
    Addition, Subtraction, Multiplication, Division
  • 5 Additional 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 setting
  • 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:

We develop browser-based calculators and take pride in their . . .

  • Accuracy (16 digit)
  • Robustness (quality checked)
  • Ease of use (intuitive, shortcuts, examples)
  • Speed (loading, calculating)
  • Passing calculator torture tests

Our Basic Calculator is perfect for use in meetings, classes, presentations, and at home.

For questions or a customized calculator . . .

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