S
Scientific calculator plus 991
advanced.scientific.calculator.calc991.plus
56.8M+
installs (upper bound)
★ 4.83
556,647 ratings
Free
offers in-app purchases · contains ads
2026-02-09
last update · v7.4.7.69
Details
DeveloperTools for student
CategoryEducation
Released2020-04-30
First seen by us2026-07-05
Content ratingEveryone
Requires Android7.0
Google Playopen listing ↗
Trends
Best rank position, 30 days
Install milestones
not enough data yet
Score
not enough data yet
Advanced scientific calculator 991 plus. Includes simulator 115 and 300 plus.
Screenshots
Ratings breakdown
Velocity
Age on Play2,328 days
Installs / day (avg)24K+
Installs / month (avg)732K+
Days since last update217
In-app purchase range$0.99 - $4.99 per item
Privacy policylink ↗
Estimated revenue modeled from installs, category retention and monetization — estimates, not reported figures
| Scenario | Est. DAU | Ads /day | IAP /day | Total /day | Total /month |
|---|---|---|---|---|---|
| low | 4,088,910 | 74418.17 | 5672.14 | 80090.31 | 2402709.21 |
| medium | 6,814,851 | 177186.12 | 18536.39 | 195722.51 | 5871675.41 |
| high | 10,222,276 | 372090.85 | 53384.81 | 425475.67 | 12764269.99 |
What's new (last update)
We appreciate all valuable feedback.<br>In this update, we added new features, fixed some problems and improved the math engine.<br>Thanks for using our app.
Current chart positions
| Country | Chart | Position |
|---|---|---|
| EGYPT | Education · Top Free | #2 |
| UGANDA | Education · Top Free | #5 |
| YEMEN | Education · Top Free | #10 |
| MYANMAR | Education · Top Free | #20 |
| PHILIPPINES | Education · Top Free | #20 |
| GHANA | Education · Top Free | #23 |
| SOUTH AFRICA | Education · Top Free | #24 |
| COLOMBIA | Education · Top Free | #24 |
| ARGENTINA | Education · Top Free | #25 |
| PAKISTAN | Education · Top Free | #29 |
| ALGERIA | Education · Top Free | #29 |
| PERU | Education · Top Free | #32 |
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