--- title: "x36 - Reviews, Revenue and Downloads in United States | Apple App Store" description: "This calculator is packed with features common to any good scientific and engineering calculator from the 70's and 80's including: Programability. Can store up to 1000 steps. Includes label, jump, l" --- # x36 — United States > An old-school calculator. ![x36 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/1d/d3/69/1dd36907-6af7-ca88-a4d0-504c4f0f0ee6/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png) **Developer:** [Carl Cook](https://apptail.io/developer/carl-cook-kIH) **Category:** Utilities **Rating:** 5.0/5 (1 ratings) **Price:** Free **Bundle ID:** Cook-Group.-6x **Store:** Apple App Store **Country:** United States **Version:** 2.16 (released 2025-05-04) **Original Release:** 2019-05-04 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1443849416) **AppTail Page:** [https://apptail.io/app/x36-ZJNf/united-states](https://apptail.io/app/x36-ZJNf/united-states) ## x36 Description This calculator is packed with features common to any good scientific and engineering calculator from the 70's and 80's including: Programability. Can store up to 1000 steps. Includes label, jump, loop and subroutine capability. -Common mathematical operations including square roots, powers, reciprocals, and logarithmic functions. -Up to 15 levels of parenthesis. -A full set of trigonometric functions working with user selectable units of degrees, radians, and gradians. Also performs polar-rectangular and degrees-minutes-seconds - decimal degree conversions. -Common physical constants such as the speed of light, gravitational constant and Avogadro's number. -Single and double variable statistical functions including linear regression. 10 memory storage locations. -Metric-English and English metric conversions. -Four number bases (Decimal, Hexadecimal, Octal, and Binary). -Bit logic operations. -Three display modes (floating point, scientific, and engineering) with user adjustable number of digits displayed. -Can perform operations with fractions! Over 100 functions in all! AND NO ADS! ## x36 Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource124/v4/d3/8a/1e/d38a1eeb-8dc3-3b33-6a9c-4a665521f4e8/15d20c55-e969-4b0d-bbb0-77d4ce670012_Simulator_Screen_Shot_-_iPhone_11_Pro_-_2021-04-11_at_12.10.05.png/1284x2778.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource114/v4/06/68/72/0668728d-66fe-5806-b423-c09c43c6e001/89575eba-b79b-410c-b133-9a2b0a712a9c_Simulator_Screen_Shot_-_iPhone_11_Pro_-_2021-04-11_at_12.10.36.png/1284x2778.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource124/v4/0e/c8/40/0ec8407d-d7e8-973e-4a26-0fb77edcf8f8/47248959-4c0b-4ed1-9e7d-01612d6bbe74_Simulator_Screen_Shot_-_iPhone_11_Pro_-_2021-04-11_at_12.11.33.png/1284x2778.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource114/v4/57/b4/2c/57b42c86-9a6f-b728-5dd5-c52d74aa2e8c/49659701-532c-494f-8e22-37f5fc03b691_Simulator_Screen_Shot_-_iPhone_11_Pro_-_2021-04-11_at_12.12.29.png/1284x2778.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource124/v4/40/1f/cc/401fcccd-2b08-4c77-5e61-30d538c6df0c/29e74ad4-9922-4643-8770-5f2ff0232be1_Simulator_Screen_Shot_-_iPhone_11_Pro_-_2021-04-11_at_12.13.10.png/1284x2778.png) ## x36 Rating Breakdown in United States - 5 stars: 1 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## x36 Reviews in United States ### ***** "Nice work, Carl! :)" Hope you had fun with it. I’m an HP user myself. -- Ted Heise, 2021-08-16 [View all x36 reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews) ## Apps Similar to x36 - [Fresenius](https://apptail.io/app/fresenius-IVJb/united-states) - [GOTO-100](https://apptail.io/app/goto-100-JVjd/united-states) - [RLM-11CX](https://apptail.io/app/rlm-11cx-Hmvd/united-states) - [Plus42](https://apptail.io/app/plus42-kCUd/united-states) - [WhatCall](https://apptail.io/app/whatcall-xjae/united-states) - [Aspect Ratio X Calc](https://apptail.io/app/aspect-ratio-x-calc-kvle/united-states) - [RCL-57](https://apptail.io/app/rcl-57-pHNf/united-states) - [编程计算器](https://apptail.io/app/app-vpmh/united-states) - [DVC Resale Market](https://apptail.io/app/dvc-resale-market-aVhj/united-states) - [Onion Browser: VPN+Ad Blocker](https://apptail.io/app/onion-browser-vpnad-blocker-MdCp/united-states) ## x36 Available In - [United States](https://apptail.io/app/x36-ZJNf/united-states) - [Armenia](https://apptail.io/app/x36-ZJNf/armenia) - [Argentina](https://apptail.io/app/x36-ZJNf/argentina) - [Austria](https://apptail.io/app/x36-ZJNf/austria) - [Azerbaijan](https://apptail.io/app/x36-ZJNf/azerbaijan) - [Belgium](https://apptail.io/app/x36-ZJNf/belgium) - [Bulgaria](https://apptail.io/app/x36-ZJNf/bulgaria) - [Brunei](https://apptail.io/app/x36-ZJNf/brunei) - [Brazil](https://apptail.io/app/x36-ZJNf/brazil) - [Belarus](https://apptail.io/app/x36-ZJNf/belarus) - [Canada](https://apptail.io/app/x36-ZJNf/canada) - [Switzerland](https://apptail.io/app/x36-ZJNf/switzerland) - [Chile](https://apptail.io/app/x36-ZJNf/chile) - [China](https://apptail.io/app/x36-ZJNf/china) - [Colombia](https://apptail.io/app/x36-ZJNf/colombia) - [Cyprus](https://apptail.io/app/x36-ZJNf/cyprus) - [Czechia](https://apptail.io/app/x36-ZJNf/czechia) - [Germany](https://apptail.io/app/x36-ZJNf/germany) - [Denmark](https://apptail.io/app/x36-ZJNf/denmark) - [Dominican Republic](https://apptail.io/app/x36-ZJNf/dominican-republic) - [Algeria](https://apptail.io/app/x36-ZJNf/algeria) - [Ecuador](https://apptail.io/app/x36-ZJNf/ecuador) - [Egypt](https://apptail.io/app/x36-ZJNf/egypt) - [Spain](https://apptail.io/app/x36-ZJNf/spain) - [Finland](https://apptail.io/app/x36-ZJNf/finland) - [France](https://apptail.io/app/x36-ZJNf/france) - [United Kingdom](https://apptail.io/app/x36-ZJNf/united-kingdom) - [Greece](https://apptail.io/app/x36-ZJNf/greece) - [Honduras](https://apptail.io/app/x36-ZJNf/honduras) - [Croatia](https://apptail.io/app/x36-ZJNf/croatia) - [Hungary](https://apptail.io/app/x36-ZJNf/hungary) - [Indonesia](https://apptail.io/app/x36-ZJNf/indonesia) - [Ireland](https://apptail.io/app/x36-ZJNf/ireland) - [Israel](https://apptail.io/app/x36-ZJNf/israel) - [India](https://apptail.io/app/x36-ZJNf/india) - [Iceland](https://apptail.io/app/x36-ZJNf/iceland) - [Italy](https://apptail.io/app/x36-ZJNf/italy) - [Jordan](https://apptail.io/app/x36-ZJNf/jordan) - [Japan](https://apptail.io/app/x36-ZJNf/japan) - [Kuwait](https://apptail.io/app/x36-ZJNf/kuwait) - [Kazakhstan](https://apptail.io/app/x36-ZJNf/kazakhstan) - [Lebanon](https://apptail.io/app/x36-ZJNf/lebanon) - [Sri Lanka](https://apptail.io/app/x36-ZJNf/sri-lanka) - [Lithuania](https://apptail.io/app/x36-ZJNf/lithuania) - [Luxembourg](https://apptail.io/app/x36-ZJNf/luxembourg) - [Latvia](https://apptail.io/app/x36-ZJNf/latvia) - [Madagascar](https://apptail.io/app/x36-ZJNf/madagascar) - [North Macedonia](https://apptail.io/app/x36-ZJNf/north-macedonia) - [Mali](https://apptail.io/app/x36-ZJNf/mali) - [Malta](https://apptail.io/app/x36-ZJNf/malta) - [Mexico](https://apptail.io/app/x36-ZJNf/mexico) - [Malaysia](https://apptail.io/app/x36-ZJNf/malaysia) - [Nigeria](https://apptail.io/app/x36-ZJNf/nigeria) - [Netherlands](https://apptail.io/app/x36-ZJNf/netherlands) - [Norway](https://apptail.io/app/x36-ZJNf/norway) - [Nepal](https://apptail.io/app/x36-ZJNf/nepal) - [Panama](https://apptail.io/app/x36-ZJNf/panama) - [Peru](https://apptail.io/app/x36-ZJNf/peru) - [Philippines](https://apptail.io/app/x36-ZJNf/philippines) - [Pakistan](https://apptail.io/app/x36-ZJNf/pakistan) - [Poland](https://apptail.io/app/x36-ZJNf/poland) - [Portugal](https://apptail.io/app/x36-ZJNf/portugal) - [Romania](https://apptail.io/app/x36-ZJNf/romania) - [Russia](https://apptail.io/app/x36-ZJNf/russia) - [Saudi Arabia](https://apptail.io/app/x36-ZJNf/saudi-arabia) - [Sweden](https://apptail.io/app/x36-ZJNf/sweden) - [Singapore](https://apptail.io/app/x36-ZJNf/singapore) - [Slovenia](https://apptail.io/app/x36-ZJNf/slovenia) - [Suriname](https://apptail.io/app/x36-ZJNf/suriname) - [Thailand](https://apptail.io/app/x36-ZJNf/thailand) - [Tunisia](https://apptail.io/app/x36-ZJNf/tunisia) - [Türkiye](https://apptail.io/app/x36-ZJNf/turkey) - [Taiwan](https://apptail.io/app/x36-ZJNf/taiwan) - [Ukraine](https://apptail.io/app/x36-ZJNf/ukraine) - [Uganda](https://apptail.io/app/x36-ZJNf/uganda) - [Uzbekistan](https://apptail.io/app/x36-ZJNf/uzbekistan) - [Vietnam](https://apptail.io/app/x36-ZJNf/vietnam) - [United Arab Emirates](https://apptail.io/app/x36-ZJNf/united-arab-emirates) - [South Africa](https://apptail.io/app/x36-ZJNf/south-africa) --- ## 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*