Kids' calculator v0.1.0
0
zero
My steps
Your sums show up here, one step at a time.
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Big buttons, numbers up to the millions said in words, and every step written down so you can see the sum. No ads.
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How to use it
- Tap the numbers and an operation: plus, minus, times or divided by.
- Tap equals. The answer is shown and said in words.
- Read “My steps” to see how the calculator got there.
Ideas for class
- Estimate first, then check with the calculator.
- Read a big answer aloud from the words under the number.
- Check homework: do the sum by hand, then confirm it here.
- Find the steps for a chain, like 12 + 5 × 3.
- Try dividing by zero and talk about why it cannot be done.
Related
Questions
How big can the numbers be?
You can type up to nine digits, and answers go up to hundreds of billions.
Can I use the keyboard?
Yes. Number keys, + − * /, Enter, Backspace and Escape all work.
Does it work out a chain like 2 + 3 × 4 in the usual order?
It does each step as you go, left to right, and shows every step. That is how a simple calculator works.
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