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Calculator

Our Basic Internet Calculator is intuitive, easy to use,and robust.  It works on any device, can expand or shrink in size, and is great in the classroom, office,lab, and at home.

Internet-Calculator.com

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

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
  • 4 Additional functions
    Square Root, Reciprocal, Inverse, Percent
  • 5 Memory functions
    Store, 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
  • Easy to repeat last operation
  • Displays math expression
  • Copy and paste values
  • Clear error messages
  • Savable Settings
  • Resizable

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

Keyboard Shortcuts

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

Examples

To Compute
 
Buttons / Keys
 
2 x 32×3=
(2 x 3) + 10 2×3+10=
2 x (3 + 10)3+10×2=
√ 2
2
1/102410241/x
2 x √ 2
2×2=
-23 2±×==
√ 32 + 42
3×=MS4×=
M+MR
π x 10210×=×Alt-P=
256 + 10% 256+10%=
5% of 255%×25=
     53
√ 2 + 6
2+6=1/x
×5===

Settings

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

Bookmark link below for the settings above . . .

 

Custom Calculators

Unique functions, your branding, your colors, and links to your website.

Our calculating engines are superior in:

  • Accuracy (16 digit)
  • Robustness (cloud QC'ed)
  • Ease of use (intuitive, shortcuts, examples)
  • Fast (loading, calculating)
  • Passing calculator torture tests

Let us know what you have in mind, your budget, and time frame . . .

Ad-Free Version

Use this calculator without ads!

Here's how:

  • Click button below to send $5
  • You will receive an email with the ad-free calculator attached as an HTML file
  • Use that calculator on all your devices

Get yours now...
 

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