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Mencal:Fantastic Mental Math Tricks for iOS


Developer's Description

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 3832=1216 :Multiply tens place digit by itself plus 1 (3+1)3=12 :Add two zeros to the end of step 1200=1200 :Multiply the two one's digits together 82=16 :Add the results of step and 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'sStandard:- 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 abcc (a+b=10)- abccc.....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 90s- 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 WillwangLove mencal or have a question? We would love to hear your feedback! Contact us anytime at

Full Specifications

What's new in version 3.5

#fix lesson - multiply differing by 11433926804003


Release June 14, 2015
Date Added June 14, 2015
Version 3.5

Operating Systems

Operating Systems iOS
Additional Requirements Compatible with iPod Touch (3rd generation or later, iPhone 3Gs, iPhone 4, iPad. iTunes account required.


Total Downloads 9
Downloads Last Week 0
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