Numbrick: Calculator & Steps

Numbrick is two calculators in one, built to feel like a real desk calculator.

SIMPLE, THE DEFAULT
- A big, easy-to-read display
- Steps: see how the answer was reached, in the right order (× and ÷ before + and −)
- Check: every answer is verified by undoing the last step and by a second calculation engine
- Percent that works the way you expect (200 + 10% = 220)
- Exact decimals: 0.1 + 0.2 = 0.3

ADVANCED
- Scientific functions, fractions, memory, variables A–F and Ans
- DEG / RAD / GRAD and display formats (Norm, Fix, Sci, Eng)
- Paper tape history you can copy or share
- Guides that show, key by key, how to do common tasks

WORKS OFFLINE, PRIVATE BY DESIGN
- No account, no ads, no tracking
- Everything stays on your phone
- The only network use is the optional Pro purchase

NUMBRICK PRO (one-time purchase, no subscription)
- Every step and the full check on the Simple calculator, plus copy steps
- Equation solver, statistics and regression, number bases, complex numbers, tables
- Unlimited paper tape, share as image or text, landscape mode
- 6 extra skins and sound packs, home-screen widgets, all guides

Free forever: the Simple calculator, the Advanced scientific calculator, 3 steps and a Verified badge, 5 tape lines, the Brick skin and 3 guides.