This app is based upon a classical problem that is most commonly formulated as follows:

"Given no more than four instances of the digit 4,

represent all integers using a finite number of

mathematical symbols and operators in common use."

In this app, you get 324 riddles (numbers) which can be expressed by four 4's and basic operation:

Acceptable symbols and operators

+ addition

- subtraction

* multiplication

/ division

sqrt4 square root of 4

^4 power of 4

! factorial, eg: n! = n * (n-1) * (n-2) * ... * 2 * 1

. decimal point (.4 or .44)

Create simple math arguments and try to find all the numbers.

Example:

The number 1 can be expressed by 4/4 (the total number of four is always up to 4)

This app is suitable for high school / university students and for people who love mathematics and numbers riddles.

Enjoy!

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Tags: everyday mathematics four fours problem, maths riddles, math riddle, four fours answers 77 simple, mathematics buttons, 4444 math game, math riddles 4th grade, maths puzzles and riddles for class 7, four fours, four fours math puzzle.

"Given no more than four instances of the digit 4,

represent all integers using a finite number of

mathematical symbols and operators in common use."

In this app, you get 324 riddles (numbers) which can be expressed by four 4's and basic operation:

Acceptable symbols and operators

+ addition

- subtraction

* multiplication

/ division

sqrt4 square root of 4

^4 power of 4

! factorial, eg: n! = n * (n-1) * (n-2) * ... * 2 * 1

. decimal point (.4 or .44)

Create simple math arguments and try to find all the numbers.

Example:

The number 1 can be expressed by 4/4 (the total number of four is always up to 4)

This app is suitable for high school / university students and for people who love mathematics and numbers riddles.

Enjoy!

四

a math

what is math

math

maths

cool math

math is cool

coolmath

games about math

in math games

math games for

games math games

math for games

math games math

games of math

math games games

games on math

games math

games with math

math games

the math games

math in games

math and games

games for math

puzzle

maths games

cool math games

division

games to play

mathgames

puzzles and

puzzles

a puzzles

sudoku

puzzles puzzle

algebra

freegames

crosswords

in crosswords

math game

the math game

game math

maths game

cool math game

multiplication

fractions

jigsaw

math for kids

kids math

school games

cool math for kids

crossword puzzle

games puzzle

puzzle and games

games puzzle games

puzzle games

puzzle game

game puzzle

gamesgames

math 4 kids

gams

jigsaw puzzle

math worksheets

maths for kids

cool math 4 kids

crossword puzzles

jigsaw puzzles

mathematica

coolmath4kids

word games

puzzlegames

online puzzle

puzzle online

math lab

free puzzle

games for brain

brain games

math activities

brain game

math problems

maths worksheets

educational games

online puzzles

puzzles online

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math test

math questions

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puzzles for free

puzzles free

puzzle maker

mathematical games

maths online

math for children

puzzlemaker

mind games

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maths fun

math sheets

kids math games

math games for kids

brain teasers for

brain teasers brain teasers

what is brain teasers

brain teasers

it brain teasers

the brain teasers

math work

at the . of on brain teaser

the brain teaser

brain teaser

a brain teaser

math playground

multiplication games

number games

games puzzles

games of puzzles

games & puzzles

games and puzzles

AlpineReplay Ski & Snowbow

Big Win Basketball

BattleFriends at Sea

BaconReader for Reddit

Campus Life

Grimm's Red Riding Hood

Garfield's Defense 2

Noom Weight Loss Coach

Beautiful Widgets

Any.DO To-do & Task List

Style Starlet

Highlight

Candy Crush Saga

Rihanna Live Wallpaper

ASDA

Appy Gamer

DragonVale

Springpad

Blosics HD FREE

Around the World in 80 Days

Zombies, Run! 5k Training

Tap Paradise Cove

puzzles printable

free sudoku

kids puzzles

puzzles for kids

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spelling games

4th grade math

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kindergarten math

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website for math

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Tags: everyday mathematics four fours problem, maths riddles, math riddle, four fours answers 77 simple, mathematics buttons, 4444 math game, math riddles 4th grade, maths puzzles and riddles for class 7, four fours, four fours math puzzle.

Recently changed in this version

Version 1.36

*bug fix with sqrt(

*Added improved Note button

(77 stars)

by Zvika on 21/11/2012

Ilove it !

(77 stars)

by ×¢×¤×¨×™ on 09/09/2012

Good for boring meeting

(77 stars)

by ofri on 09/09/2012

Good for boring meeting

(77 stars)

by Amir on 09/09/2012

I recommend this app!

(77 stars)

by Amir on 09/09/2012

I recommend this app!

(77 stars)

by Eyal on 09/09/2012

Keep the good work

(77 stars)

by Eyal on 09/09/2012

Keep the good work