Numerare Presents
Numerare lets you read numbers in Roman numerals and convert them to conventional numbers, up to numbers of 40 million. You can read inscriptions of Roman numerals with the camera to instantly detect and translate numbers or learn how to calculate additions and subtractions with abacuses.
Calculate …
Do the operations with the abacuses.
Choose Add or Subtract.
Enter the first number, in numbers, in Roman numerals, or by moving the pebbles on the upper abacus.
Enter the number to add (or subtract) to it.
Tap on Calculate!
It’s up to you to calculate, by moving the pebbles on the upper abacus until all the pebbles at the bottom have turned gray.
You can also get help to learn to calculate on the abacus, step by step, with the help (simulation, text and voice).
You now know how to calculate like a Roman!
Play …
3 levels of games, increasingly difficult:
• Beginner: the numbers proposed go from 1 to 99. You have 30 seconds to give your answer.
• Confirmed: numbers from 1 to 999. 20 seconds to give your answer.
• Expert: numbers from 1 to 3999, 10 seconds to give your answer.
Play in 5 or 10 moves to read a Roman numeral or to write it.
You can choose to replay the same game as the previous one.
Very practical for tournaments where each player will have the same game to play… At each move played, a timer indicates the elapsed time.
Think fast and enter your answer.