Mencal:Mental Arithmetic Training, Improve Your Skills In Math
Developed by INSTANT.CJ | Last updated: May 10, 2024
Mencal:Mental Arithmetic Training, Improve Your Skills In Math is an education app, developed by INSTANT.CJ, available on iOS and Android since its release in April 2013. The updated version 4.2 is now available to download, compatible with iOS 13.0+ and Android 10+. Before downloading this app, let's quickly review what MencalMental Arithmetic Training Improve Your Skills In Math has to offer.
About Mencal:Mental Arithmetic Training, Improve Your Skills In Math
Mencal is an app help you expand your ability to mentally solve math problems. All of us can do simple addition and subtraction of one or two digit numbers without a calculator.Now mencal is here to kick that ability into overdrive.
Mencal provides you with lessons and simple tricks to allow you to: work with three digit numbers; fractions of different styles regardless if you are adding them or subtracting them; and finding sums with multiplication and division. Then it will test you on your grasp and knowledge of the methods you've learned.
• Example:
Same ten's digit,1's sum to 10
38×32=1216
①:Multiply tens place digit by itself plus 1
(3+1)×3=12
②:Add two zeros to the end of step①
12←00=1200
③:Multiply the two one's digits together
8×2=16
④:Add the results of step ②and③
1200+16=1216
• Quickly 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
- Square numbers in the 50's
- Square numbers in the 500's
- Square numbers in the 600's
- Square numbers in the 700's
- Square numbers in the 800's
- Square numbers in the 900's
•Standard:
- 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)
- Multiply differing by 5
- Multiply differing by 6
- Multiply differing by 7
- Multiply differing by 8
- Multiply differing by 9
- Multiply differing by 10
- Multiply two numbers that in the 90‘s
- 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
- 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
- Divide any number by 5
- Divide any number by 25
- Divide any number by 125
- Divide any 3-figure number by 9
"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 Willwang
Love mencal or have a question? We would love to hear your feedback! Contact us anytime at instantcj@gmail.com
What's new in version 4.2
1. Use iCloud to store learning data
2. Fix the issue that the learning data is not saved
3. Fix the issue that game center is not logged in
4. Fix horizontal screen display bug
Download the Mencal:Mental Arithmetic Training, Improve Your Skills In Math App
Mencal:Mental Arithmetic Training, Improve Your Skills In Math has an IPA/APK download size of 10 MB on its latest version. Mencal:Mental Arithmetic Training, Improve Your Skills In Math costs $1.99 to download. Ready to install? Ensure you have at least 12 MB of storage space available, then tap the button or scan the QR code below to start the download process!
Ranking History in App Store (U.S)
Changelog
Compatibility
- iPhone 15, 15 Plus, 15 Pro, 15 Pro Max
- iPhone 14, 14 Plus, 14 Pro, 14 Pro Max
- iPhone 13 Pro Max
- iPhone 12 Pro
- Old devices: iPhone X/SE/8/7/6
- iPad Pro
- iPad Mini
Review: Interactive game
The keypad can include arrow keys to edit.
By iKruXified
Review: Math always helps
To keep your brain in 4/3 πr ³
By Aleni Innet
Review: 希望类似的心算可以放在一起
希望类似的心算可以放在一起
By dieofu
Review: Great App
You just have to devote time do the application and do examples over and over and over again. With time...
By Donn1hew
Review: Neat tricks
I suggest starring the ones you're most likely to need. The app taught me there are a lot more shortcuts...
By Last joyrider