CITIZEN Calculator
Available on Google Play
4.4(59,456)
10,000,000+ installsFreeTools
Updated Jan 14, 2026 · v2.3.3
Simple and easy to use calculator with 'check and correct' function.
This app is modelled on the classic CITIZEN calculator CT-555N. Calculator features: • Basic math operations (addition, subtraction, multiplication, division) • Memory Calculation • Constant Calculation • Check & Correct / Replay function • Price Mark-Up & Down Calculation • Tax Calculation Please leave a review if you like this calculator app.
9 years on Google Play
This app isn't currently appearing in any tracked top charts.
Rating breakdown
5★
44,686
4★
4,748
3★
4,273
2★
1,424
1★
4,273