Big-Button Calculators
Larger buttons, easier on eyes.
1. Calculator Pro
Free. Big buttons. History tape. Like the desk calculator from work.
2. CALCU
Free. Large customizable buttons. Pro version $4 removes ads.
3. Senior Calculator
Free. Specifically big buttons. Simple interface for older adults.
4. iPhone landscape mode
Turn iPhone sideways with built-in Calculator app. Buttons get bigger automatically.
5. Voice math
Hey Siri or Hey Google + What's 25 percent of 80? Speaks the answer aloud.
6. Tablets
iPad or Android tablet has even bigger buttons. Best for serious calculations.
Tap the Calculator app's display, hold, copy. Paste into Notes for receipts.