 # How to Calculate Quickly by Henry Sticker

How to Calculate Quickly – the art of calculation – Full Course in Speed Arithmetic by Henry Sticker.

## Contents of How to Calculate Quickly PDF

• Adding Single Columns by Pairs, starts on
• Adding Single Columns by Trios, starts on
• Mental Addition of Large Numbers, starts on

SUBTRACTION

• Subtraction in General
• Left-to-Right Subtraction, starts on

MULTIPLICATION

• Multiplication in General
• Factoring, starts on
• Direct Multiplication by Numbers Greater than 12, starts on
• Multiplying Three Figures by One, starts on
• Multiplying Two Figures by Two, starts on
• Multiplying Three Figures by Two, starts on
• Multiplying Three Figures by Three, starts on

DIVISION

• Division in General
• Direct Division by Numbers Greater than 12, starts on
• Mental Division of Large Numbers, starts on
• Division by Three Figures, starts on
• Division by Two Figures, starts on

FRACTIONS

• Fractions in General
• Addition and Subtraction of Fractions, starts on

DECIMALS

• Decimals in General
• Decimal Equivalents of Fractions, starts on

SHORT CUTS

• Multiplying by a Near Number
• Aliquot Parts in Multiplication
• Simplifying the Multiplier
• Multiplication by Factoring
• Factors between 11 and 19
• Multiplying by 11
• Multiplying by 21, 31, 41, etc
• Squares of Numbers, starts on
• Multiplying When Corresponding Orders Are Alike, starts on
• Multiplying a Sum by a Difference
• Multiplications Involving Fractions, starts on
• Aliquot Parts in Division
• Cubes of Numbers
• Algebraic Multiplication

## Related Books

### Schaum’s Outline of Advanced Mathematics for Engineers and Scientists   