Mencal vs 速算训练

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

1.速算训练是一款训练数学计算能力的益智类软件。 2.广告极少，不会自动弹出广告。 3.功能介绍： 【速算竞速】用户可以根据自己的需求选择按时间或者按题量来进行训练； 【每日一练】看看再规定时间内，谁能答对更多的题，该模块设置了排行榜，用户可以看看自己的计算水平排在什么位置。 【巧算】包含了加减乘除的一些特殊计算方法，可以加快计算能力； 【看心算】珠心算中的一种训练方法，用户自己看题，用心算方法做，提高心算能力； 【闪电算】珠心算中的一种训练方法，可以同时训练记忆力和计算力。 4.设置了错题本，用户可以重复练习自己的错题，以便更好的巩固计算能力。 5.设置了打印功能，用户可以根据自己的需求，对不同的训练方法进行打印。 每天练一练，提升数学计算能力，争取成为速算天才！！