In this list, you will find tools and gadjets who work with numbers but they are more for fun and entertainment.

Explore Our Delicious Menu

This section highlights the variety of dishes in our menu.

An illustrative logo for a cold brew ratio calculator features glassware, ice cubes, and a calculator inside a blue circle with the text "Cold Brew Ratio Calc" and "Concentrate".

Cold brew concentrate ratio Calculator

Play arround with the cooffe calculator and enjoy the changes of the graphic.

A circular icon features a puzzle-piece brain, a scroll with letters and numbers, a magnifying glass with a question mark, and two gears against a dark blue background.

Codeword Puzzle Generator Software

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There is a number of people who love Codeword Puzzles. But they want to solve them on their own device. Download my code, which will run in to your browser. Download, unzip, save it as html-file. Open it in your browser – and you are free to go.

An older woman holds a large pencil next to a sudoku grid and a printer, with the text "LARGE PRINT SUDOKU FOR SENIORS" curving around the blue background.

Printable Sudoku for Seniors

You were searching for Sudokus showing big numbers, printable? Here you are. You can print it as PDF, but you can also play it here on this website.

A wooden sliding puzzle game board features sixteen square tiles with numbers, arranged in a four-by-four grid with one empty space in the bottom right corner.

Wooden Slide Number Puzzle 15

You will find a link to a wooden Number 15 puzzle, but also an online version, you can play right now. For free of course. Simply click the numbers and try to find them to put them in the right order.

An open book titled Binary Puzzles rests beneath a glowing blue cube covered in circuit patterns and binary code, surrounded by a ring of digital numbers.

Binary Puzzle Books for Adults & Binary Code Puzzle Box

If you love playing binary puzzles, visit this site to either start playing online, for free. Or go for the offer to get a puzzle booklet or a puzzle box.

A circular logo features the text "SENIOR MATH" above illustrations of a brain, math symbols, numbers, and an older couple talking.

Math Sequence Puzzles for Seniors

Check out this tool, where you can guess, try and checkout if your thinking is right. Try to guess a line of numbers and the logic behind.