Mencal - Mental Math Tricks 4+
军 曹
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- 0,99 €
- Offre acquisti in-app
Screenshot
Descrizione
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
Novità
Versione 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
Valutazioni e recensioni
fix lesson
Peccato che non possa aggiornarlo, visto che avete stupidamente ed irresponsabilmente alzato il requisito minimo di ios.
Grazie per la serietà dimostrata.
Privacy dell’app
Lo sviluppatore, 军 曹, ha indicato che le procedure per la tutela della privacy dell’app potrebbero includere il trattamento dei dati descritto di seguito. Per ulteriori informazioni, consulta l’informativa sulla privacy dello sviluppatore.
Dati utilizzati per monitorarti
I seguenti dati possono essere utilizzati per monitorarti nelle app e nei siti web di proprietà di altre aziende:
- Identificativi
- Dati sull’utilizzo
Dati non collegati a te
I seguenti dati possono essere raccolti ma non vengono collegati alla tua identità:
- Identificativi
- Dati sull’utilizzo
Le procedure per la tutela della privacy possono variare, per esempio, in base alle funzioni che usi o alla tua età. Ulteriori informazioni
Informazioni
- Fornitore
- Jun Cao non si identifica come operatore commerciale per questa app. Se ti trovi all’interno dello Spazio economico europeo, i diritti dei consumatori non si applicano agli accordi tra te e il fornitore.
- Dimensione
- 10,1 MB
- Categoria
- Istruzione
- Compatibilità
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- iPhone
- Richiede iOS 13.0 o versioni successive.
- iPad
- Richiede iPadOS 13.0 o versioni successive.
- iPod touch
- Richiede iOS 13.0 o versioni successive.
- Lingue
-
Cinese Semplificato, Cinese Tradizionale, Inglese
- Età
- 4+
- Copyright
- © INSTANT.CJ
- Prezzo
- 0,99 €
- Acquisti in-app
-
- Unlock all math games 0,99 €
- Unlock Random Mode 0,99 €
- Unlock Fractions Mode 0,99 €
- Unlock Operators Mode 0,99 €
- Unlock Numbers Mode 0,99 €
Supporto
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Game Center
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