OpenCalc - Calculator

Actually does

• ✓Calculator95% of reviews
• ✓Open source10% of reviews
• ✓Dark mode15% of reviews
• ✓Ad-free25% of reviews
• ✓Calculation History(bonus)20% of reviews

Common complaints

• ✗Calculation history disappears15% of mentions

  «After an hour all calculations disappear»

• ✗Screen doesn't turn off, history interface bug10% of mentions

  «The screen doesn't turn off even if sleep mode is disabled in settings. And when you open history - there's a bug at the top, half the screen is empty»

• ✗Missing 1/x (reciprocal) function5% of mentions

  «no memory, no 1/x»

• ✗Keys sometimes don't respond during fast input5% of mentions

  «keys sometimes don't respond during fast typing»

• ✗Large numbers don't fit on screen, font doesn't shrink5% of mentions

  «The number didn't fit on the screen. Make the font shrink»

What people praise

• ★Simplicity, minimalism, excellent design

  «truth in simplicity! Best calculator without unnecessary features»

• ★No ads and no unnecessary permissions

  «open source, simple in design, check the permissions – this is how ALL apps should be»

• ★Reliable core functionality (calculates correctly)

  «It calculates :) The best calculator, it's convenient»

• ★Ability to choose themes

  «With themes that you can download»

• ★Includes trigonometric and scientific functions

  «has sines and logarithms»

Where to install