EngiCal Engineering Calculator

PlumberFile

About this app

Engical is a powerful scientific and engineering calculator built for students, engineers, and professionals who need fast, accurate calculations on the go.

Key features:

Full scientific calculator with trigonometric, logarithmic, exponential, and statistical functions
DEG / RAD / GRAD angle modes
SHIFT and ALPHA key layers for extended functions, just like a physical scientific calculator
Memory functions (M+, M-, MR)
Calculation history so you can review and reuse previous results
Built-in Formula Library covering essential Physics and Math formulas, with quick-calculate tools for common equations
Tap-to-edit display — tap anywhere in your expression to move the cursor and edit mid-calculation
Clean, modern interface with multiple themes
Optional key click sound and haptic feedback

Privacy first:

Engical works completely offline. It does not require internet access, does not collect any personal data, does not show ads, and does not use any analytics or tracking SDKs. All your settings and history stay only on your device.

One-time purchase:

Engical is a one-time paid app — no subscriptions, no in-app ads, no hidden costs.

Whether you're solving homework problems, working through engineering calculations, or just need a reliable everyday scientific calculator, Engical is designed to be fast, distraction-free, and always available — even without an internet connection.

What’s new

New: 13 electronics tools in Formula Library > Electronics: standard resistor finder, voltage divider, LED resistor, RC filter, ADC/DAC, SMD resistor code, resistor color code, capacitor code, wire gauge (AWG), dBm converter, frequency/PWM, PCB trace width and via current.
Improved: tablet, foldable and landscape support with a two-pane calculator, full edge-to-edge display on Android 15+, system bars that match your theme, and smaller, faster app.