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Missing Numbers Calculator

Tool/Solveur to find missing number/fill the blanks puzzles/equations. Calculator with missing numbers (blanks) solves addition, subtraction, multiplication, division as a mathematical puzzle which consists in finding the missing number or digit.

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Missing Numbers Calculator -

Tag(s) : Number Games, Arithmetics

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Missing Numbers Calculator

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Find the Missing Digits Solver




Find x in an Equation Solver

The missing digits solver is not an equation solver, it only looks for missing digits from 0 to 9. For other cases, use dedicated tool:

⮞ Go to: Equation Solver

Tool/Solveur to find missing number/fill the blanks puzzles/equations. Calculator with missing numbers (blanks) solves addition, subtraction, multiplication, division as a mathematical puzzle which consists in finding the missing number or digit.

Answers to Questions

How to solve a calculation with blanks?

Solving a calculation with operators and missing digits is similar to a cryptarithm and uses deduction and extraction of parts of the calculation.

Example: Exercise where ?s have to be found ??5 + 42? = 539 => 115 + 424 = 539

Example: 12 + 23 = ? has no solution but 12 + 23 = ?? has for solution 12 + 23 = 35

It is useful to calculate digits at extremities, or check individually calculations to the ten digits, or the hundreds digit etc.

dCode also has a cryptarithm solver (where blanks are letters), a mathematical equation solver or even a countdown game calculation tool.

How does the missing numbers solver works?

dCode solver allow usual operators like additions +, subtractions -, multiplications * and divisions /. It also handles comparison operators superior and inferior > and <.

The blanks have to be replaced by ? (interrogation marks). There is no limit but above 7 or 8, the calculation will be very long.

Example: 1+?=3 is solved with 1+2=3

Example: 2*?=8 is solved with 2*4=8

This solver uses a brute-force method, this means that it tries all combinations and display the possible ones.

Source code

dCode retains ownership of the online 'Missing Numbers Calculator' tool source code. Except explicit open source licence (indicated CC / Creative Commons / free), any algorithm, applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (PHP, Java, C#, Python, Javascript, Matlab, etc.) no data, script or API access will be for free, same for Missing Numbers Calculator download for offline use on PC, tablet, iPhone or Android !

Need Help ?

Please, check our community Discord for help requests!

Questions / Comments

Thanks to your feedback and relevant comments, dCode has developped the best Missing Numbers Calculator tool, so feel free to write! Thank you !


Source : https://www.dcode.fr/missing-numbers-calculator
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