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Home » Esa Helttula

Place Value Division

Place Value Division $3.99

App 1.0

Multi-touch Fractions

Multi-touch Fractions $3.99

App 1.0

Counting-Up Subtraction

Counting-Up Subtraction $3.99

App 4.0

Fraction as Slope

Fraction as Slope $4.99

App 1.1

World Factbook Visual Edition

World Factbook Visual Edition $4.99

App 3.1

Order of Operations by iDevBooks

Order of Operations by iDevBooks $4.99

App 3.0

Visual Fractions Decimals and Percentages

Visual Fractions Decimals and Percentages $4.99

App 2.0

Whole Number Rounding

Whole Number Rounding $3.99

App 4.0