 ## Pre-Algebra Calculators: (47) lessons

Algebraic Expressions
Free Algebraic Expressions Calculator - This calculator builds algebraic expressions based on word representations of numbers using the four operators and the words that represent them(increased,product,decreased,divided,times) Also known as Mathematical phrases
Calculator · Watch the Video

Approximate Square Root Using Exponential Identity
Free Approximate Square Root Using Exponential Identity Calculator - Calculates the square root of a positive integer using the Exponential Identity Method
Calculator · Watch the Video

Babylonian Method
Free Babylonian Method Calculator - Determines the square root of a number using the Babylonian Method.
Calculator

Bakshali Method
Free Bakshali Method Calculator - Calculates the square root of a positive integer using the Bakshali Method
Calculator · Watch the Video

Free Better Buy Comparison Calculator - Given two items with a price and quantity, this determines which is the better buy by comparing unit prices. Finds the better deal.
Calculator · Watch the Video

Classify Fraction
Free Classify Fraction Calculator - Determines the if a fraction is proper, improper, or whole.
Calculator · Watch the Video

Closest Fraction
Free Closest Fraction Calculator - Determines the closest fraction in a list to a target fraction
Calculator

Combined Ratio
Free Combined Ratio Calculator - Given a ratio a:b and a ratio b:c, this determines the combined ratio a:c
Calculator · Watch the Video

Continued Fraction
Free Continued Fraction Calculator - Shows the continued fraction for a fraction
Calculator

Decompose Fraction
Free Decompose Fraction Calculator - Decomposes a Fraction. Shows you the work behind decomposing a fraction
Calculator

Digit Product
Free Digit Product Calculator - Calculates a digit product for a number.
Calculator · Watch the Video

Digit Sum
Free Digit Sum Calculator - Calculates a digit sum and reduced digit sum for a number.
Calculator · Watch the Video

Equivalent Fractions
Free Equivalent Fractions Calculator - Given a fraction, this will determine equivalent fractions
Calculator · Watch the Video

Estimate Square Roots
Free Estimate Square Roots Calculator - Estimates the square root of a number
Calculator · Watch the Video

Expanded Notation
Free Expanded Notation Calculator - Writes the expanded notation for a number.
Calculator

Factorization
Free Factorization Calculator - Given a positive integer, this calculates the following for that number:
1) Factor pairs and prime factorization and prime power decomposition
2) Factors and Proper Factors 3) Aliquot Sum
Calculator · Watch the Video

Fractions and Mixed Numbers
Free Fractions and Mixed Numbers Calculator - Given (improper fractions, proper fraction, mixed numbers, or whole numbers), this performs the following operations:
* Subtraction (Subtracting)
* Positive Difference (Absolute Value of the Difference)
* Multiplication (Multiplying)
* Division (Dividing: complex fraction division is included)
* Compare Fractions
* Simplifying of proper and improper fractions as well as mixed numbers. Fractions will be reduced down as far as possible (Reducing Fractions).
* Reciprocal of a Fraction
* Find all fractions between two fractions
* reduce a fraction
Calculator · Watch the Video

Index Form
Free Index Form Calculator - Writes a number using index form notation
Calculator · Watch the Video

Integers
Free Integers Calculator - This lesson walks you through what integers are, how to write integers, integer notation, and what's included in integers
Lesson · Watch the Video

Interval Counting
Free Interval Counting Calculator - Evaluates a set of interval counting statements in the form a(b)c.
Calculator · Watch the Video

Newton Method
Free Newton Method Calculator - Calculates the square root of a positive integer using the Newton Method
Calculator

Opposite Direction Distance
Free Opposite Direction Distance Calculator - Word Problem calculator to measure distance between 2 people moving in opposite directions with rate and time solved for as well
Calculator

Order of Operations
Free Order of Operations Calculator - Evaluates an expression using the order of operations, or PEMDAS or PEDMAS or BEDMAS or BODMAS
Calculator · Watch the Video

Percentage Change
Free Percentage Change Calculator - Calculates the percentage change between two values. Percentage Increase or Percentage Decrease
Calculator

Percentage-Decimal-Fraction Relations
Free Percentage-Decimal-Fraction Relations Calculator - Calculates the relational items between a fraction, a decimal (including repeating decimal and terminating decimal), a percentage, and the numerator and denominator piece of that fraction. Also calculates the percentage change going from one number to another or the amount increase or decrease of a percentage above/below a number. Round decimals. decimals into fractions
Calculator · Watch the Video

Place Value
Free Place Value Calculator - Given a whole number or a decimal, the calculator will perform place number analysis on each place in your number.
For the whole and decimal portion, the calculator goes out to the 100 trillion mark.
Calculator · Watch the Video

Polynomial
Free Polynomial Calculator - This calculator will take an expression without division signs and combine like terms.
It will also analyze an polynomial that you enter to identify constant, variables, and exponents. It determines the degree as well.
Calculator · Watch the Video

Powers Of
Free Powers Of Calculator - Determines the powers of a number from 1 to n.
Calculator

Projectile Motion
Free Projectile Motion Calculator - Solves for time using a height and velocity of an object thrown up in the air
Calculator

Proportion
Free Proportion Calculator - 1) Calculates the missing link of 2 equivalent proportions or ratios.
2) Also determines if two numerical proportions that you entered such as 1/10=6/12 are equivalent or not equivalent. Note: You can use all allowable operators such as =,<,≤,>,≥
Calculator · Watch the Video

Calculator · Watch the Video

Rational Numbers
Free Rational Numbers Calculator - This lesson walks you through what rational numbers are, how to write rational numbers, rational number notation, and what's included in rational numbers
Lesson · Watch the Video

Ratios
Free Ratios Calculator - * Simplifies a ratio of a:b
* Given a ratio in the form a:b or a to b, and a total population amount, this calculator will determine the expected value of A and B from the ratio.
Calculator · Watch the Video

Real Numbers
Free Real Numbers Calculator - This lesson walks you through what real numbers are, how to write real numbers, real numbers notation, and what's included in real numbers
Lesson · Watch the Video

Repeating Decimal
Free Repeating Decimal Calculator - Evaluates and simplifies a repeating decimal
Calculator

Roster Notation
Free Roster Notation Calculator - Given a set of numbers, this displays the roster notation
Calculator

Signed Integer Operations
Free Signed Integer Operations Calculator - This performs a string of signed integer operations, either all addition and subtraction, or all multiplication and division.
Calculator · Watch the Video

Simplest Exponent Form
Free Simplest Exponent Form Calculator - This expresses repeating algebraic expressions such as 3*a*a*a*b*b into simplest exponent form.
Calculator · Watch the Video

Square Root Table
Free Square Root Table Calculator - Generates a square root table for the first (n) numbers rounded to (r) digits
Calculator · Watch the Video

Square Roots and Exponents
Free Square Roots and Exponents Calculator - Given a number (n), or a fraction (n/m), and/or an exponent (x), or product of up to 5 radicals, this determines the following:
* The square root of n denoted as √n
* The square root of the fraction n/m denoted as √n/m
* n raised to the xth power denoted as nx (Write without exponents)
* n raised to the xth power raised to the yth power denoted as (nx)y (Write without exponents)
* Product of up to 5 square roots: √abcde
* Write a numeric expression such as 8x8x8x8x8 in exponential form
Calculator · Watch the Video

Standard Notation
Free Standard Notation Calculator - Calculates the following:
* The numeric notation of word notation
* Standard notation of expanded notation
Calculator · Watch the Video

Standard Notation
Free Standard Notation Calculator - Displays the Standard notation of expanded notation
Calculator · Watch the Video

Unit Cost
Free Unit Cost Calculator - Calculates the unit cost based on a price and a quantity
Calculator · Watch the Video

Unit Fraction
Free Unit Fraction Calculator - Determines the unit fraction for a fraction.
Calculator · Watch the Video

What is a Fraction
Free What is a Fraction Calculator - This lesson walks you through what a fraction is and the different parts of a fraction.
Lesson · Watch the Video

What is an Exponent
Free What is an Exponent Calculator - This lesson walks you through what an exponent is, the product rule for exponents, the quotient rule for exponents, the 0 power rule, the power of a power rule for exponents
Lesson · Watch the Video

Word Notation
Free Word Notation Calculator - Calculates the following:
* The word notation of a number of numeric expression
Calculator · Watch the Video