Missing Operator Calculator

Content rating
Everyone
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Content rating
Everyone
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About this app

Stuck on a tricky math game or a brain teaser where you have to fill in the blanks with the correct math signs? Missing Operator Calculator is the perfect tool to help you find the exact plus, minus, multiply, or divide symbols needed to solve the puzzle!

Whether you are playing a math riddle game on your phone, doing homework, or just exercising your brain, this app calculates all the possible combinations for you in a fraction of a second.

How to use it:
Just type your equation and replace the missing math signs with a question mark (?).
Example: 3 ? 6 ? 2 = 22
Tap the solve button, and the app will instantly tell you the correct answer: 3 * 6 + 4 = 22.

Features of this app:
- Finds missing operators: Addition (+), Subtraction (-), Multiplication (*), and Division (/)
- Strictly follows standard math rules (BODMAS / PEMDAS - multiplication and division are calculated first)
- Fully supports the use of brackets ( ) for complex equations
- Shows all possible solutions if there is more than one right answer
- Clean, aesthetic mint green pastel user interface
- Fast, lightweight, and very easy to use

Who is this app for?
- Players of math puzzle games and brain training apps who need a hint or solution.
- Students checking their math homework.
- Anyone who loves playing with numbers and equations.

Download Missing Operator Calculator today and crack any math sign puzzle without the headache!
Updated on
Jun 28, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data canโ€™t be deleted