The revolutionary calculator that shows the answer only when you also enter a suitable mental estimate. The required accuracy depends on the difficulty/ease of the calculation.
Ends the practice of calculating without thinking -
Provides the benefits of calculators without their damage.
The QAMA* calculator is already being used in many schools in several countries, demonstrating phenomenal effectiveness. Getting an estimate accepted is also found to be very rewarding, rapidly building up the students’ confidence,
Covers the functions of scientific calculators.
* “Quick Approximate Mental Arithmetic”, QAMA- is also a word in Hebrew, meaning “how much”…
Updated Qama logo
With Family Sharing set up, up to six family members can use this app.