Sudo & Prime Fun

Sudo & Prime Fun app comes with a nearly unlimited supply of Sudoku puzzles. No need to buy new puzzle packs – it’s all included!

Sudo & Prime Fun app lets you work with prime numbers in 4 different ways: Checker, List, Factorize, and Randomize.and it also provides an auxiliary learning module that records learning time and reminds breaks.


◈ Main Features: ◈

- hourglass
- Time calculation
- Prime Numbers
- Full-screen, high-contrast puzzles
- Thousands of puzzles with varied difficulty
- Step-by-step guide teaches you new techniques
- Gestures and double-taps improve gameplay
- Add pencil marks (notes) to keep track of possible answers in each square
- Pencil marks are automatically cleared as you enter answers
- Highlighting helps you discover patterns
- Choose to show all, none, or just obvious errors
- Automatically saves your session

Among them, hourglasses can help you precisely control your learning time.The default is 3 minutes of time, hurry up to challenge it!

Sudo & Prime Fun app puts Sudoku front and center. The puzzle fills the entire screen and the numbers are large enough to see from a distance. The text is crystal clear and looks especially crisp on retina displays. During gameplay, the puzzle board is never covered by menus or gimmicky animations.

◈Smooth operating process◈

SudoCal uses gestures and taps to cut down on visual clutter and speed up gameplay. To start a new puzzle, simply swipe to turn the page. If there’s only one possibility left for a square, double-tap it to set it as the answer. When a number is completed on the board, its button is disabled to prevent accidental taps.

◈ Built-in tips guide ◈

Use the built-in guide to improve your game or to get out of a bind. If you get stuck in the middle of a puzzle, SudoCal will clear your mistakes or walk you through your next move step by step. The hints system has been designed from the ground up to help teach players how to get better, not just give them answers.


◈ How to use Prime ◈

1、Check

• Check whether any number is prime, and if it is not, see a number it is divisible by.

• Type or paste a number, then tap on ‘Check’.

• Find a prime number to hear a satisfying ‘Choo’!

2、List

• List all prime numbers in a given range: for example, type 1 in the first text box, 10 in the second, then tap on List, and you will get 1, 2, 3, 5, and 7.

3、factors

• Get the prime factors for a number: for example, type 12, and you will get 2, 3, and 3.

4、random

• Get a random prime of a size of your choice.

◈ A detailed description of Sudoku is as follows: ◈

Sudoku is a mathematical game from Switzerland in the 18th century. It is a logical game that uses paper and pen to calculate.
The player needs to reason out the number of all remaining spaces based on the known numbers on the 9 x 9 disk, and satisfy each row, each column, and the numbers in each thick line palace (3 x 3) contain 1-9, without repeating the number. The sudoku face is a nine-house, each of which is divided into nine small squares. In these 81 squares to give a certain number of known numbers and conciliation conditions, using logic and reasoning, fill in the other spaces 1-9 numbers.
So that 1-9 each number in each row, column and each palace only once, so also known as the “nine palace grid.”

◈Comments and feedback are welcomed.◈

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