Mencal:Mental Arithmetic Training, Improve Your Skills In Math|教育線上App不用買

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【免費教育App】Mencal:Mental Arithmetic Training, Improve Your Skills In Math-APP點子

Example:38×32=1216(Same ten's digit,1's sum to 10)

①:Multiply tens place digit by itself plus 1

(3+1)×3=12

②:Add two zeros to the end of step①

12×100=1200

③:Multiply the two one's digits together

8×2=16

④:Add the results of step② and ③

1200+16=1216

"This app rocks!! Great for Math Team practice!" -by Bubba Smith

"Great app, make me feel less stupid" -by Howie_Serious

"Its a useful app for anyone who wants to know the numbers deeper" -by sjzbim

"It's a good app for both kids and sometimes even adults" -by Willwang1985

......

Now you can easily improve your skills in mental arithmetics! Mencal is an app help you with your mental arithmetic.There are many tutorials and smart test engine in this app.

#-------------Addition--------------#

• Two-digit number like ab+ba

• Three-digit number like abc+cba

• Two fractions like 1/a+1/b

• Two fractions like (a-1)/a + (b-1)/b

• Sum of first n odd numbers

• Sum of first n even numbers

#------------Substraction-----------#

• Two-digit number like ab-ba

• Three-digit number like abc-cba

• m-n if m+n=100,1000,10000...

• Two fractions like 1/a-1/b

• Two fractions like c/a-c/b

• Two fractions like (a-1)/a-(b-1)/b

【免費教育App】Mencal:Mental Arithmetic Training, Improve Your Skills In Math-APP點子

#-----------Multiplication----------#

• Same ten's digit, 1's sum is 10

• Same ten's digit, 1's sum isn`t 10

• Same 1's digit, ten's digits sum is 10

• Same 1's digit, ten's digits sum isn`t 10

• two-digit number ab×cc (a+b=10)

• ab×ccc.....c (a+b=10)

• Multiply by 11

• 2-digit number if 1's digit is 1

• 2-digit number if tens place digit is 1

• 2-digit number ×2-digit number(universal)

#--------------Division-------------#

• Divide any number by 5

• Divide any number by 25

• Divide any number by 125

• Divide any 3-figure number by 9

#--------------Square---------------#

• Square numbers made up of 1's

• Square numbers made up of 3's

• Square numbers in the 90's

• Square numbers ten`s digit is 0

• Square a number ending in 25

• Square numbers made up of 6's

• Square numbers made up of 9's

• Square a number ending in 1

• Square a number ending in 5

• Square a number ending in 9

• Square numbers in the 10's

• Square numbers in the 40's

【免費教育App】Mencal:Mental Arithmetic Training, Improve Your Skills In Math-APP點子

• Square numbers in the 50's

【免費教育App】Mencal:Mental Arithmetic Training, Improve Your Skills In Math-APP點子

免費玩Mencal:Mental Arithmetic Training, Improve Your Skills In Math APP玩免費

免費玩Mencal:Mental Arithmetic Training, Improve Your Skills In Math App

Mencal:Mental Arithmetic Training, Improve Your Skills In Math APP LOGO

Mencal:Mental Arithmetic Training, Improve Your Skills In Math LOGO-APP點子

Mencal:Mental Arithmetic Training, Improve Your Skills In Math APP QRCode

Mencal:Mental Arithmetic Training, Improve Your Skills In Math QRCode-APP點子
熱門國家系統支援版本費用APP評分上架日期更新日期
台灣 TaiwaniOS
App Store
2.3
App下載
NT$ 30
2014-06-032014-09-19
美國 (U.S.A)iOS
App Store
2.3
App下載
$0.99
2014-06-032014-09-20
香港 Hong KongiOS
App Store
2.3
App下載
HK$ 8.00
2014-06-032014-10-04
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