El Arquitecto
Bespoke Scientific Calculator
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
A scientific calculator with the soul of an architect's drafting table. Compute with precision, then make it yours: dark Ink edition, accent colors, a persistent history.
El Arquitecto is a scientific calculator built like an instrument: an architect's drafting
table crossed with race-car telemetry. It computes correctly first, then gives you a look
worth keeping.
THE CALCULATOR (free, forever)
- A real expression engine: correct order of operations, implicit multiplication, scientific
notation.
- Trigonometric, inverse, and hyperbolic functions; logarithms; powers; roots; factorial;
percent.
- BASIC and SCIENTIFIC keypads with a second-function layer and memory keys.
- Degree and radian modes, tactile haptics, and a crafted parchment design.
- Built for accessibility: high-contrast type, Reduce Motion support, Dynamic Type.
UNLOCK PRO (one-time purchase)
- CONVERT: an engineering constants reference (tap to insert), your own saved custom
constants, and a unit converter that sends results straight back to the calculator.
- LOG: a persistent calculation history; tap any past line to reuse its result.
- PERSONALIZE: a dark "Ink" edition, accent colors, a tunable paper texture, and alternate
display fonts.
One purchase. No subscription. Restores across your devices.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Brian Sipple, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Brian Sipple
- Size
- 19 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- El Arquitecto Pro $2.99
- Copyright
- © 2026 CypherPoet

