SD36 Facilities vs Calcu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SD36 Facilities
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This is the official Surrey Schools Facilities (Surrey, BC) mobile app. PLEASE NOTE: This app is only useful for STAFF in this district. Visit http://sd36facilities.appazur.com to learn more. This is a new product designed for your district. If you have suggestions or problems, we welcome you to contact us using the Feedback feature on the Help screen. Thank you.
Calcu
This app provides advanced logarithmic calculations and explanations, covering equation solving, Taylor series, digit-by-digit computation, and integral definitions. It also simplifies expressions, solves complex logarithmic equations, and includes a virtual slide rule.
- Solves logarithmic equations for y, x, and a
- Explains Taylor series for log_e(x)
- Illustrates digit-by-digit log_10(x) computation
- Explains log_e definition via integrals
- Simplifies logarithmic expressions
- Calculates and graphs complex logarithms
- Includes virtual slide rule
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Calcu-Logarithm performs calculations and helps user understand logarithms on advanced level: 1. Solves equation "y = log_a(x)” for “y”, “x”, and “a”, with relevant graphs. 2. Explains and illustrates how to compute log_e (x) from Taylor series. 3. Explains and illustrates how to compute log_10 (x) digit by digit (based on M.Goldberg algorithm). 4. Explains and provides proof of log_e definition as the integral of x inverse. 5. Simplifies logarithmic expressions and solves logarithmic equations with polynomials of up to 20th degree. 6. Includes virtual slide rule for multiplication and division. 7. Calculates, explains, and graphs logarithms of complex numbers. Developers welcome any feedback, please write to us at graphmath@aol.com. Please check out our other Math apps.
Screenshots
Verdict
The clearest difference is update cadence: Calcu at every 3 days against SD36 Facilities's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SD36 Facilities ships an update every 2 months, Calcu every 3 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.
| Parameter | SD36 Facilities | Calcu |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 48 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Surrey School District | Yuri Morozov |
In-app purchases
SD36 Facilities
No in-app purchases
Calcu
No in-app purchases
