Tchisla: Number Puzzle

Tchisla: Number Puzzle

by HORIS INTERNATIONAL LIMITED

142 ratings
28 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • July 7, 2016
  • February 8, 2017

Features

Tchisla: Number Puzzle screenshot #1 for iPhone
Tchisla: Number Puzzle screenshot #2 for iPhone
Tchisla: Number Puzzle screenshot #3 for iPhone
Tchisla: Number Puzzle screenshot #4 for iPhone
Tchisla: Number Puzzle screenshot #5 for iPhone
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About

This app challenges you to represent numbers as arithmetic expressions using only digits 1-9. It offers various operations, including roots, powers, and factorials, to find optimal solutions. Improve your mental math skills through engaging puzzles and competitive modes.

Represent numbers as arithmetic expressions
Use digits 1-9
Standard arithmetic operations (+, -, *, /)
Advanced operations (√, ^, !)
Practice mode with tutorial
Competitive modes with leaderboards
Gallery for tracking progress and solutions
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What's New in Tchisla

1.22

February 8, 2017

This app has been updated by Apple to display the Apple Watch app icon. • Fixed bugs. NOTE. The first start of the updated app can take some time to verify all the solutions. The wrong ones will be deleted. If you enjoy Tchisla, please leave a nice review on the store. Happy solving!

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In-App Purchases

$1.99

Extended gallery

Extended gallery (up to 10000)

User reviews

Great puzzle, could use more gamifying

I love all the apps from this developer. I love math puzzles because they’re a great brain workout. And Tchisla, like Euclidea and Pythagorea, have a beautiful design! I do wish they had some sound effects though. It sounds silly, but it makes a world of difference to complete a puzzle to a little magical chime as opposed stony silence. Make it a bit more “game like”. An example would be the app “Eat Pi”. Just some optional sounds would make a world of difference, also when it gives me some text to read, I sometimes don’t notice it because there is no “text pop-up” sound. Highly recommended app.
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Great game but keeps crashing

I love this game and spent a lot of time playing it several years ago (pre 2022, probably)! I just opened it back up again, and it has crashed at least 4 times in the last ~10 minutes. This is a pretty big issue for me as, after it crashes, I will have to remember and find the number I was working on again (and all the sub numbers I was working on in the progress of working on that number)
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Amazing

Amazing game but how do you do 3 # 1 better that 3/3? Is it a mistake? Please tell me if it is 😭

Great but No Support?

Fantastic game for those that like the puzzle. But recently it seems the server isn't working for the daily "contest" puzzle. Either your number will be recorded wrong (I'll routinely have it say "your result 60, at time of contest close 62" it's always +2 for some reason) or it won't be recorded at all. Just stays at "-"
I play this game every day for years. Just takes a few minutes for the daily puzzle and then on to other things. Please update this issue.
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Excelent

Excellent game by an amazing company, please leave your products on the app store forever.

I'd like a harder mode for gallery where the hidden base 10 centric concatenation operation is turned off, and perhaps an extra hard gallery as well with factorial and square root single operation disabled.

I'm kind of amazed at how few of the puzzles need you to outside the 1 to 100 range as part of the optimal solution.

It certainly makes you appreciate how 2 (1 + 1) and 3 (1 + 1 + 1) are nearly all you need.
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Developer apps

FAQ

What is Tchisla: Number Puzzle?

Tchisla is a number puzzle game where players represent target numbers as arithmetic expressions. You can only use digits from 1 to 9 and standard operations like addition, subtraction, multiplication, division, square roots, powers, and factorials. The goal is to find the shortest or most elegant solution.

What are the key features of Tchisla?

Key features include representing numbers with arithmetic expressions, using a variety of mathematical operations, a practice mode with a tutorial, a '2016' mode, a gallery to track solutions, and a competitive contest mode. The app also offers an extended gallery via in-app purchase.

How much does Tchisla cost?

The base app is free to download and play. There is an in-app purchase available to extend the Gallery mode, which offers more content and tracking capabilities. The game does not feature advertisements.

What kind of math operations can I use?

You can use standard arithmetic operations (+, -, *, /), brackets, square roots (√), raising to a power (^), and factorials (n!). The factorial (n!) is the product of all positive integers less than or equal to n.

Who is this app for?

This app is designed for anyone who enjoys number puzzles and wants to improve their mental arithmetic skills. It's suitable for players who like a challenge and appreciate the beauty of mathematics, from casual players to those seeking competitive gameplay.