Basic Arithmetic app for iPhone and iPad

Brush up your arithmetic skills with this collection of over 400 tuitional lessons. Many adults have a poor understanding of maths and this app can be a invaluable aid to getting them up to speed.

Easy To Follow Video Tutorials include:
Adding and Subtracting Decimals
Adding and Subtracting Fractions
Adding and Subtracting Integers
Adding and Subtracting Multiple Dollar Amounts
Adding and Subtracting Radicals
Adding Decimals
Adding Fractions with the Same Denominator
Adding Mixed Numbers with the Same Denominator
Adding Two Large Integers
Adding and Subtracting with Exponents
Addition Subtraction Multiplication and Division
Average
Basic Multiplication
Calculation of a Percentage
Changing a Decimal to a Fraction
Changing a Decimal to a Percentage
Changing a Fraction to a Decimal
Changing a Fraction to a Percentage
Changing a Number from Standard Form to Scientific Notation
Changing Mixed Numbers to Improper Fractions
Changing Percent to Decimal
Computation with Percentages
Converting Improper Fraction to Mixed Numbers
Converting Percent to Fraction
Converting Words to Equations
Decimals
Distance Apart
Dividing Fraction
Estimating Products and Quotients
Estimating the Sum or Difference
Exponents
Fractions
Factors
Finding Feet and Inches in Meters
Finding Mileage in Feet
Finding Yardage Distance in Feet and Inches
Fractions of a Whole
Histogram
Laws of Exponents
Lineplot
Parentheses
Mean Median and Mode
Multiples
Multiplying Decimals
Multiplying Fractions
Numbers and Their Classifications
Order of Operations
Percentages
Place Value
Proper and Improper Fractions and Mixed Numbers
Rational Numbers
Roots
Rounding
Scientific Notation
Using a Table
Word Problems and Addition
Word Problems and Multiplication
Word Problems and Subtraction
Basic addition Addition and subtraction Arithmetic Khan Academy
Addition 2
Level 2 Addition
Addition 3
Addition 4 Addition and subtraction Arithmetic Khan Academy
Basic subtraction Addition and subtraction Arithmetic Khan Academy
Subtraction 2 Addition and subtraction Arithmetic Khan Academy
Subtraction 3 Introduction to Borrowing or Regrouping
Alternate mental subtraction method Addition and subtraction Arithmetic Khan Academy
Why borrowing works
Level 4 Subtraction
Adding Decimals Old
Subtracting decimals old Decimals Pre-Algebra Khan Academy
Basic multiplication Multiplication and division Arithmetic Khan Academy
Multiplication 2 The multiplication tables Arithmetic Khan Academy
Multiplication 3 101112 times tables Multiplication and division Arithmetic Khan Academy
2-digit times a 2-digit number Multiplication and division Arithmetic Khan Academy
Multiplying multiple digit numbers Multiplication and division Arithmetic Khan Academy
Multiplication 7 Old video giving more examples Arithmetic Khan Academy
Mulitplication 8 Multiplying decimals Old video
Lattice multiplication Multiplication and division Arithmetic Khan Academy
Why lattice multiplication works Multiplication and division Arithmetic Khan Academy
Division 1 Multiplication and division Arithmetic Khan Academy
Introduction to long division Multiplication and division Arithmetic Khan Academy
Dividing numbers long division with remainders Arithmetic Khan Academy
Level 4 division Multiplication and division Arithmetic Khan Academy
Converting fractions to decimals Decimals Pre-Algebra Khan Academy
Percent and decimals
Dividing decimals with hundredths example 3 Decimals Pre-Algebra Khan Academy
Ordering Numeric Expressions
Greatest common factor explained Factors and multiples Pre-Algebra Khan Academy
Equivalent fractions Fractions Pre-Algebra Khan Academy
Mixed numbers and improper fractions Fractions Pre-Algebra Khan Academy
Time Differences 1
Time Differences in Different Time Zones
Prime numbers Factors and multiples Pre-Algebra Khan Academy

and more