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Basic Calculator

Simple  Secure  Robust

Basic Calculator main view

Basic Calculator examples page

Basic Calculator history page

Basic Calculator shortcuts page

Basic Calculator settings page

Basic Calculator constants page

Our Basic Calculator is the same easy-to-use calculator that is on our Internet-Calculator.com home page.  The difference is that this one has no ads, and makes no network calls for anything, even images.  That means it is fast, does not spy on you, and does just what you request.  Can be used locally on a secure device.

Calculator is delivered as a single HTML file, and can be used on any device that has a browser, such as touchscreen devices, desktop PCs, laptops, iPads, smartphones, etc.

The proven Basic Calculator is perfect for use in meetings, classes, presentations, at home, and is designed for frequent everyday use.

Key Features

Type

Basic calculator with left to right math calculations

Display

12-Digit, plus math expression, and memory value

Precision

16-Digit math accuracy, optional rounding correction, scientific notation E-307 to E+307

Operands

Addition, Subtraction, Multiplication, and Division

Functions

Squared, Square Root, Reciprocal, Inverse, and Percent

Memory Functions

Add, Subtract, Recall, and Clear

Result Format

Fixed or floating point, comma or period decimal point

Digit Grouping

1,000,000, 1'000'000, 1.000.000, or none

Keyboard Input

Yes, with button feedback

Clear

Clear All, Clear Entry, and Backspace

History

Yes, with reusable math calculations

Repeat

Equal repeats last operation

Size

Auto resizes to fit height or width of browser window

Savable Settings

Yes

Error Conditions

Clear error messages

File

~50KB

Light-Switch Simple

Basic Calculator feature callouts

Designed for frequent everyday use.

Multi-User License Discounts

Multi-User License discounts are 50% off for each additional user.  The first calculator is at full price, and when you increase the quantity in the cart for a multi-user license, each additional calculator is half off.

If you purchase the calculator for yourself and 10 students, then the cost would be . . .

$7 × 1 + $7 × 0.50 × 10    =     $7 + $35    =     $42

Multi-User License discounts are automatically applied when you increase the quantity purchased in the shopping cart.

What You Get

Via Purchase Confirmation Email

  • Basic Calculator
    Minimized all-in-one HTML file (~50KB) containing the Basic Calculator that you can place on all your devices, knowing it has no ads, and does not spy on you.
  • License
    Single-user multiple-device license.  Multi-user license when purchase quantity greater than one.
  • A Smile
    Knowing 3% of your purchase goes to Western Lands Preservation.

Charitable Giving

3% of each
calculator sale
is donated to . . .
Western Lands Preservation Logo
Badger Contributor

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