# Is XtraMath free?

## Is XtraMath free?

XtraMath is a free web-based program focusing on math fluency. It’s also available as an app at the Apple Store, Google Play Store, and Amazon, but there you’ll pay a one-time cost of \$4.99. XtraMath helps students practice addition, subtraction, multiplication, and division.

What is XtraMath?

XtraMath® is an online math fact fluency program that helps students develop quick recall and automaticity of their basic math facts.

### What is arbitrary-precision calculator?

Arbitrary-precision arithmetic, also called big-num arithmetic, multiple precision arithmetic, or sometimes infinite-precision arithmetic, indicates that calculations are performed on numbers whose digits of precision are limited only by the available memory of the host system.

Does Python have arbitrary-precision arithmetic?

Some programming languages such as Lisp, Python, Perl, Haskell and Ruby use, or have an option to use, arbitrary-precision numbers for all integer arithmetic. Although this reduces performance, it eliminates the possibility of incorrect results (or exceptions) due to simple overflow.

#### Is XtraMath an app?

XtraMath:Amazon.com:Appstore for Android.

Is XtraMath real?

XtraMath® is a 501(c)(3) nonprofit organization that provides an online supplemental math program for students in grades K-8. Our math fact fluency program helps students develop the computational fluency that enables success in higher-level mathematics.

## What is an arbitrary number?

Arbitrary numbers are numbers that have no special property, other than being large-valued. Informally, one can consider them as adversarially-chosen numbers. Intuitively, it would not seem that arbitrary numbers offer any value.

What is arbitrary integer in Python?

Python does have arbitrary precision integers. The number your code creates is not an integer. a mere python3 -c “print(999999999999999999999999 / 3)” would show you the issue immediately (it prints a float instead of integer).

### What is arbitrary in math?

Arbitrary Number. A number which could be any number it is defined to be but for which no specific value is chosen. It is often used in proofs since it can represent any number but does actually have the value of any number so that the proof applies to more than one situation. Axiom.

What are arbitrary integers?

A number which could be any number it is defined to be but for which no specific value is chosen. It is often used in proofs since it can represent any number but does actually have the value of any number so that the proof applies to more than one situation. Axiom.

#### Does Python use GMP?

The python-gmp library differs from other Python/GMP libraries in that it uses the ctypes library to interface the GNU MP library, written in C. Using the ctypes foreign-function library, python-gmp is written in pure Python, and is much easier to customize than bindings written as C-based Python modules.

Is clever free?

Overview. Clever is a free service for schools and districts! This means Clever doesn’t charge schools or districts to utilize our platform.

## What is arbitrary number example?

Arbitrary means “undetermined; not assigned a specific value.” For example, the statement x+x=2x is true for arbitrary values of x∈R, but the statement x+x=2 is not true for arbitrary values of x (only for a specific value: x=1).

What is a arbitrary number?

Installing gmpy2 on Windows Pre-compiled versions of gmpy2 are available at https://pypi.python.org/pypi/gmpy2 . Please select the installer that corresponds to the version of Python installed on your computer. Note that either a 32 or 64-bit version of Python can be installed on a 64-bit version of Windows.

What is the meaning of arbitrary numbers?

Arbitrary means arbitrary. That means that we put no restrictions on the number, but still each number is finite and has finite length.