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.

Missing Numbers Calculator - dCode

Tag(s) : Number Game, Arithmetics

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

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.

Solving is similar to a cryptarithm and uses deduction and extraction of parts of the calculation.

Example: ??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.

dCode solver allow usual operators like additions +, subtractions -, multiplications * and divisions /. It also handles comparators 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.

dCode retains ownership of the source code of the script Missing Numbers Calculator online. Except explicit open source licence (indicated Creative Commons / free), any algorithm, applet, snippet, software (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt, encrypt, decipher, cipher, decode, code, translate) written in any informatic langauge (PHP, Java, C#, Python, Javascript, Matlab, etc.) which dCode owns rights will not be given for free. To download the online Missing Numbers Calculator script for offline use on PC, iPhone or Android, ask for price quote on contact page !

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

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