Calculos

See math, understand it, master it. Learn counting with audio in major world languages, explore arithmetic visually, and build strong mental math skills.

Understand math. Don’t just memorize it.

Calculos is a visual and mental math app designed to help children build a real understanding of numbers and basic arithmetic.

Instead of relying only on repetition, Calculos combines hands-on visual exercises with traditional mental math practice. Children can see quantities, move colorful balls, explore how operations work, and gradually develop confidence with numbers.

Learn visually

• Learn to count with spoken numbers in major world languages • Explore addition and subtraction by moving and grouping objects • Understand multiplication through visual groups • See division as quantities being separated into equal groups

Build mental math skills

• Practice multiplication tables • Practice division • Train addition and subtraction • Combine operations in the Big Test • Improve speed and accuracy with timed exercises

Simple by design

Calculos uses a calm, colorful interface that keeps the focus on mathematics. There are no advertisements and no unnecessary game effects competing for attention.

Children can begin with visual exercises and gradually move toward mental calculation as their understanding and confidence grow.

Calculos can be useful for:

• Preschool and early primary learners discovering numbers • Children learning addition and subtraction • Students practicing multiplication tables and division • Parents looking for a simple educational math app • Anyone who wants straightforward arithmetic practice

Start with the free activities and unlock the complete experience with a single in-app purchase.

See it. Understand it. Calculate it.