Enter the target number and between 2 and 6 given numbers, then press the Solve button. The solver will either list all the ways of achieving the target with the given numbers, or will display a message saying that the target cannot be achieved.
This solver has been tested using these web browsers on these operating systems:
N.B. It is known NOT to work with Microsoft Internet Explorer (Windows 10), as the coding techniques used by this solver are not all supported by this browser.
| Version | Date | Changes |
|---|---|---|
| 1.0 | 24/01/2024 | Initial release. |
| 1.1 | 27/01/2024 | Fixed Javascript to run on iOS 15. |
| 1.2 | 04/02/2024 | Added styling to input text boxes to improve the interface. Reduced duplicate solutions by only checking each pair of numbers once at any level, not just at the top level. |
| 1.3 | 16/03/2024 | Given number text boxes now bring up the numeric keypad on iOS devices. Solve button made larger. Identical solutions are no longer saved. Solutions involving dividing a square number by its square root are no longer considered. |