Scientific calculator plus 991

Scientific calculator plus 991 remains a top performer in Google Play's Tools for student category, having reached an all-time peak of #1 on September 8, 2026, and maintaining a 30-day average of #2. Its strongest current position is #2 in Egypt's Top Free chart (down 1 spot from last period), with the app still inside the top 30 across every tracked country. The biggest recent gains came in Singapore (+18 to #26), Pakistan (+14 to #26), South Africa (+13 to #15), and the Philippines (+9 to #18), while Malaysia and Argentina also edged up. Colombia was the only meaningful decliner, slipping 4 places to #23, suggesting an overall climbing-to-steady trajectory after the recent peak.