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Tchisla: Calculator Game with Numbers by HORIS INTERNATIONAL LIMITED Free

iPhone Screenshot 1 iPhone Screenshot 2

Tchisla is a math puzzle.  It’s very similar to the Four 4′s Puzzle where the objective is to represent the numbers 1-100 using four 4′s.  I tried that one almost 20 years ago and missed a few numbers.

Description from the App Store:
Tchisla is a really absorbing number puzzle from the creators of Euclidea. Explore the magic world of numbers and train your mental arithmetic skills. All you need is to represent numbers as arithmetical expressions using only one of the digits from 1 to 9. This can be done in various ways. You gain more points if your solution uses fewer digits and sometimes your way to the optimal solution looks like an exciting quest.

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

96 = 99 – √9
96 = 4 * 4!
96 = 2 * 2 * (22 + 2)
96 = 111 – (1 + 1)^(1 + 1 + 1 + 1) + 1
2048 = ((5 + 5) / 5) ^ (55 / 5)
https://itunes.apple.com/app/tchisla/id1100623105
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