--- title: "Calculator 3 in 1 - Reviews, Revenue and Downloads in Vietnam | Apple App Store" description: "Award Winning Calculator Since 2007 HiCalc - Calculator for iPhone & iPod touch will make all your calculations become simpler than ever. ► Noteworthy • RETINA ready! • Support three calculating " --- # Calculator 3 in 1 — Vietnam ![Calculator 3 in 1 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple62/v4/d3/09/7f/d3097f52-a0a3-ba63-d379-4b4254c18108/pr_source.png/434x0w.png) **Developer:** [PPCLINK Software](https://apptail.io/developer/ppclink-software-aAd) **Category:** Utilities **Rating:** 2.9/5 (31 ratings) **Price:** Free **Bundle ID:** com.vietlotus.hicalc **Store:** Apple App Store **Country:** Vietnam **Version:** 1.5 (released 2016-10-03) **Original Release:** 2012-12-10 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/vn/app/app/id582172403) **AppTail Page:** [https://apptail.io/app/calculator-3-in-1-GbCe/vietnam](https://apptail.io/app/calculator-3-in-1-GbCe/vietnam) ## Calculator 3 in 1 Description Award Winning Calculator Since 2007 HiCalc - Calculator for iPhone & iPod touch will make all your calculations become simpler than ever. ► Noteworthy • RETINA ready! • Support three calculating modes: STANDARD, STRING and RPN • Support precision to 31 digits • Supports Complex numbers in STRING mode • Powerful scientific calc with advanced fx: Differential, Evaluation, Integration, Product, Root-Finder… • Support Extended Memory for deep calculation • Expression history up to 135 items • Sending data from Ext-Memory & History list • Copy & Paste support • Intuitive interface & No ADs ► Features:
 • Multi-line LED-Calculator • Smart input which allows input of complicated expressions • Show expression as normal writing mode @ very useful for students • Supports both USA and EUROPEAN styles for date and numeric separator • Advanced RPN mode with Stack viewer and functions: DROP, SWAP, ROLL, DEPTH, PICK, OVER, KEEP, LAST, CLEAR ► Scientific calculator: sin, cos, tan, deg/rad/grad, Pi, sin-1, cos-1, tan-1, sinh, cosh, tanh, log, ln, sinh-1, cosh-1, tanh-1, Dec->Deg, Deg->Dec, XY->R, Random, nPr, nCr, Differential function, Evaluation function, Integration function, Root-Finder and Product function, Greatest Common Divisor, Least Common Multiple, Fibonacci function... ► Tip calculator Easy & funny to use. ►Constants Library The Constants Library includes 1500 constants from Mathematics, Physics, Solar System and Element e.g: Avogadro number, Faraday const, Coulomb const, Gravitational const, Stefan-Boltzmann Const, Speed of Light, Euler constant... ## Calculator 3 in 1 Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple71/v4/7c/5d/d4/7c5dd489-6f66-017a-e41d-ae26ce784973/mzl.igpdszkf.jpg/640x960.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple62/v4/a8/c8/67/a8c86732-48c9-3d6b-78b1-06bde5f162b7/mzl.ldthezva.jpg/640x960.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple71/v4/ec/54/be/ec54be31-b906-ba49-1af2-4a8e34cd1ae5/mzl.vcelkrff.jpg/640x960.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple62/v4/1b/a4/ab/1ba4ab4a-4864-414a-a881-61249c8c8736/mzl.dkjtcfql.jpg/640x960.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple71/v4/7b/ff/64/7bff6474-a8ff-3cb8-d48e-d377689dd48d/mzl.ppcyzuyh.jpg/960x640.png) ## Calculator 3 in 1 Rating Breakdown in Vietnam - 5 stars: 12 (39%) - 4 stars: 1 (3%) - 3 stars: 3 (10%) - 2 stars: 2 (6%) - 1 stars: 13 (42%) ## Calculator 3 in 1 Reviews in Vietnam ### ***** "Best calculator to replace default one" T thấy đây là phần mềm calc đỉh nhất dành cho những ng thường xuyên phải làm các phép tính đơn giản như cộng trừ nhân chia. Đặc biệt nó free và là phần mềm của Vn. Pls fix in iphone 12, very big number and can't use. -- lee zik, 2023-08-21 ### *---- "Lỗi màn hình" Không hiển thị các số bấm và bàn phím trên iphone Xs -- Gamer.Liên quan, 2022-09-15 ### ***-- "Please fix!" Error on iPhone 12 mini/iOS 15.0.2. -- Thạch Xanh, 2021-10-26 ### *---- "GUI error" gui error ios 14 -- binhpvt, 2021-10-11 ### *---- "Lỗi" Sao mà lỗi k dùng được -- gjkbndh, 2021-06-18 ### *---- "Lỗi giao diện trên ios 14.x" Lỗi trên giao diện ios 14.2 iphone8plus -- tuanlt.dev, 2020-12-19 ### *---- "Quá lỗi" Lỗi khi lên ios 13,ad vui lòng cập nhập vì 1 ứng dụng tốt -- akadaide, 2020-06-09 ### *---- "Lỗi giao diện" Giao diện không cập nhật lâu rồi, NSX bỏ luôn hay gì? -- Bybynhoc, 2020-04-09 ### *---- "Lỗi giao diện" Lỗi giao diện khi nâng cấp lên iOS 13. -- Magically_fairy, 2020-03-03 ### ***** "Không dùng được trên iphone 11 promax" Trong các app máy tính, mình thích sử dụng app này nhất, chỉnh sửa đc công thức và lưu lịch sự dễ dàng nhất. Tuy nhiên hiện tại ko tương thích với 11 promax nên ko dùng được nữa 😭 -- Tessa.pht, 2020-02-06 [View all Calculator 3 in 1 reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews) ## Apps Similar to Calculator 3 in 1 - [bcRPN](https://apptail.io/app/bcrpn-WnAc/vietnam) - [Dozecal](https://apptail.io/app/dozecal-aEFc/vietnam) - [Calculator for School](https://apptail.io/app/calculator-for-school-aCHc/vietnam) - [Halcyon Calc Lite](https://apptail.io/app/halcyon-calc-lite-iUnd/vietnam) - [RLM-11CX](https://apptail.io/app/rlm-11cx-Hmvd/vietnam) - [Art Calc: Colorful Calculator](https://apptail.io/app/art-calc-colorful-calculator-Auwd/vietnam) - [RePNCalc - RPN Calculator Pro](https://apptail.io/app/repncalc-rpn-calculator-pro-vQye/vietnam) - [かわいい でんたく - シンプルでカラフルな電卓](https://apptail.io/app/app-IlIf/vietnam) - [Kalkulator YKGA](https://apptail.io/app/kalkulator-ykga-wtmi/vietnam) - [Calccis](https://apptail.io/app/calccis-UtWm/vietnam) ## Calculator 3 in 1 Available In - [Vietnam](https://apptail.io/app/calculator-3-in-1-GbCe/vietnam) - [China](https://apptail.io/app/calculator-3-in-1-GbCe/china) - [United States](https://apptail.io/app/calculator-3-in-1-GbCe/united-states) - [Taiwan](https://apptail.io/app/calculator-3-in-1-GbCe/taiwan) - [Russia](https://apptail.io/app/calculator-3-in-1-GbCe/russia) - [Portugal](https://apptail.io/app/calculator-3-in-1-GbCe/portugal) - [Philippines](https://apptail.io/app/calculator-3-in-1-GbCe/philippines) - [South Korea](https://apptail.io/app/calculator-3-in-1-GbCe/south-korea) - [Italy](https://apptail.io/app/calculator-3-in-1-GbCe/italy) - [Hong Kong SAR China](https://apptail.io/app/calculator-3-in-1-GbCe/hong-kong) - [Denmark](https://apptail.io/app/calculator-3-in-1-GbCe/denmark) - [Brazil](https://apptail.io/app/calculator-3-in-1-GbCe/brazil) - [Germany](https://apptail.io/app/calculator-3-in-1-GbCe/germany) - [United Arab Emirates](https://apptail.io/app/calculator-3-in-1-GbCe/united-arab-emirates) - [Egypt](https://apptail.io/app/calculator-3-in-1-GbCe/egypt) - [Spain](https://apptail.io/app/calculator-3-in-1-GbCe/spain) - [France](https://apptail.io/app/calculator-3-in-1-GbCe/france) - [United Kingdom](https://apptail.io/app/calculator-3-in-1-GbCe/united-kingdom) - [Croatia](https://apptail.io/app/calculator-3-in-1-GbCe/croatia) - [India](https://apptail.io/app/calculator-3-in-1-GbCe/india) - [Kuwait](https://apptail.io/app/calculator-3-in-1-GbCe/kuwait) - [Mexico](https://apptail.io/app/calculator-3-in-1-GbCe/mexico) - [New Zealand](https://apptail.io/app/calculator-3-in-1-GbCe/new-zealand) - [Peru](https://apptail.io/app/calculator-3-in-1-GbCe/peru) - [Saudi Arabia](https://apptail.io/app/calculator-3-in-1-GbCe/saudi-arabia) - [Singapore](https://apptail.io/app/calculator-3-in-1-GbCe/singapore) - [Thailand](https://apptail.io/app/calculator-3-in-1-GbCe/thailand) - [Finland](https://apptail.io/app/calculator-3-in-1-GbCe/finland) - [Senegal](https://apptail.io/app/calculator-3-in-1-GbCe/senegal) - [South Africa](https://apptail.io/app/calculator-3-in-1-GbCe/south-africa) - [Ghana](https://apptail.io/app/calculator-3-in-1-GbCe/ghana) - [Greece](https://apptail.io/app/calculator-3-in-1-GbCe/greece) - [Brunei](https://apptail.io/app/calculator-3-in-1-GbCe/brunei) - [Tunisia](https://apptail.io/app/calculator-3-in-1-GbCe/tunisia) - [Hungary](https://apptail.io/app/calculator-3-in-1-GbCe/hungary) - [Indonesia](https://apptail.io/app/calculator-3-in-1-GbCe/indonesia) - [Ireland](https://apptail.io/app/calculator-3-in-1-GbCe/ireland) - [Israel](https://apptail.io/app/calculator-3-in-1-GbCe/israel) - [Türkiye](https://apptail.io/app/calculator-3-in-1-GbCe/turkey) - [Iceland](https://apptail.io/app/calculator-3-in-1-GbCe/iceland) - [Bahrain](https://apptail.io/app/calculator-3-in-1-GbCe/bahrain) - [Japan](https://apptail.io/app/calculator-3-in-1-GbCe/japan) - [Bulgaria](https://apptail.io/app/calculator-3-in-1-GbCe/bulgaria) - [Austria](https://apptail.io/app/calculator-3-in-1-GbCe/austria) - [Kazakhstan](https://apptail.io/app/calculator-3-in-1-GbCe/kazakhstan) - [Lebanon](https://apptail.io/app/calculator-3-in-1-GbCe/lebanon) - [Sri Lanka](https://apptail.io/app/calculator-3-in-1-GbCe/sri-lanka) - [Lithuania](https://apptail.io/app/calculator-3-in-1-GbCe/lithuania) - [Luxembourg](https://apptail.io/app/calculator-3-in-1-GbCe/luxembourg) - [Latvia](https://apptail.io/app/calculator-3-in-1-GbCe/latvia) - [Madagascar](https://apptail.io/app/calculator-3-in-1-GbCe/madagascar) - [North Macedonia](https://apptail.io/app/calculator-3-in-1-GbCe/north-macedonia) - [Malta](https://apptail.io/app/calculator-3-in-1-GbCe/malta) - [Mauritius](https://apptail.io/app/calculator-3-in-1-GbCe/mauritius) - [Ukraine](https://apptail.io/app/calculator-3-in-1-GbCe/ukraine) - [Malaysia](https://apptail.io/app/calculator-3-in-1-GbCe/malaysia) - [Nigeria](https://apptail.io/app/calculator-3-in-1-GbCe/nigeria) - [Norway](https://apptail.io/app/calculator-3-in-1-GbCe/norway) - [Nepal](https://apptail.io/app/calculator-3-in-1-GbCe/nepal) - [Uganda](https://apptail.io/app/calculator-3-in-1-GbCe/uganda) - [Panama](https://apptail.io/app/calculator-3-in-1-GbCe/panama) - [Argentina](https://apptail.io/app/calculator-3-in-1-GbCe/argentina) - [Belgium](https://apptail.io/app/calculator-3-in-1-GbCe/belgium) - [Pakistan](https://apptail.io/app/calculator-3-in-1-GbCe/pakistan) - [Poland](https://apptail.io/app/calculator-3-in-1-GbCe/poland) - [Azerbaijan](https://apptail.io/app/calculator-3-in-1-GbCe/azerbaijan) - [Romania](https://apptail.io/app/calculator-3-in-1-GbCe/romania) - [Australia](https://apptail.io/app/calculator-3-in-1-GbCe/australia) - [Uzbekistan](https://apptail.io/app/calculator-3-in-1-GbCe/uzbekistan) - [Canada](https://apptail.io/app/calculator-3-in-1-GbCe/canada) - [Switzerland](https://apptail.io/app/calculator-3-in-1-GbCe/switzerland) - [Chile](https://apptail.io/app/calculator-3-in-1-GbCe/chile) - [Belarus](https://apptail.io/app/calculator-3-in-1-GbCe/belarus) - [Colombia](https://apptail.io/app/calculator-3-in-1-GbCe/colombia) - [Cyprus](https://apptail.io/app/calculator-3-in-1-GbCe/cyprus) - [Czechia](https://apptail.io/app/calculator-3-in-1-GbCe/czechia) - [Sweden](https://apptail.io/app/calculator-3-in-1-GbCe/sweden) - [Armenia](https://apptail.io/app/calculator-3-in-1-GbCe/armenia) - [Dominican Republic](https://apptail.io/app/calculator-3-in-1-GbCe/dominican-republic) - [Algeria](https://apptail.io/app/calculator-3-in-1-GbCe/algeria) - [Ecuador](https://apptail.io/app/calculator-3-in-1-GbCe/ecuador) - [Estonia](https://apptail.io/app/calculator-3-in-1-GbCe/estonia) - [Slovenia](https://apptail.io/app/calculator-3-in-1-GbCe/slovenia) - [Slovakia](https://apptail.io/app/calculator-3-in-1-GbCe/slovakia) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*