---
title: "HP15C: Scientific Calculator - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Vintage classic scientific calculator. The 90s are back baby!  A really special person asked me to build this calculator as it was his favorite calculator, here it goes my dear.  privacy policy: https"
---

# HP15C: Scientific Calculator — United States
> Classic Science Calc for you

![HP15C App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/e5/fa/a8/e5faa869-9afd-532d-6f7c-218d377e7a27/AppIcon-0-0-1x_U007emarketing-0-5-0-sRGB-85-220.png/434x0w.png)

**Developer:** [FERMAVE](https://apptail.io/developer/fermave-eung)
**Category:** Utilities
**Rating:** 2.7/5 (3 ratings)
**Price:** $4.99
**Bundle ID:** com.fermave.scientificcalculator
**Store:** Apple App Store
**Country:** United States
**Version:** 1.2 (released 2026-01-29)
**Original Release:** 2025-01-31
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6741306693)
**AppTail Page:** [https://apptail.io/app/hp15c-scientific-calculator-upTu/united-states](https://apptail.io/app/hp15c-scientific-calculator-upTu/united-states)

## HP15C Description
Vintage classic scientific calculator. The 90s are back baby!

A really special person asked me to build this calculator as it was his favorite calculator, here it goes my dear.

privacy policy: 
Terms of service: 

## HP15C Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/f9/0c/6e/f90c6e0b-50a9-db56-056e-9e25381157ea/IMG_4631_2.jpg/1320x2868.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/3c/9f/19/3c9f19bf-8f70-69ee-05a1-18d9eeb4a720/Apple_iPhone_16_Plus_Screenshot_2.png/1290x2796.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f1/2b/b4/f12bb439-0cee-c5b5-9bb2-05a1d63dd5cf/Apple_iPhone_16_Plus_Screenshot_3.png/1290x2796.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/7d/f5/4b/7df54b77-9388-6003-0049-a3e4c93b18ae/Apple_iPhone_16_Plus_Screenshot_1.png/1290x2796.png)

## HP15C Rating Breakdown in United States
- 5 stars: 1 (33%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 1 (33%)
- 1 stars: 1 (33%)

## HP15C Reviews in United States

### **--- "Oops"
Inverse Tangent in degrees is still broken.
-- BoilerPaul88, 2025-03-20

### ***** "Calculator nostalgia"
Works great! My son loves it!
-- Naticio, 2025-03-14

### *---- "Tan -1 does not work"
Inverse tangent doesn’t work in degrees
-- Tim A O, 2025-02-25

[View all HP15C reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)



## HP15C Discovered Keywords
- scientific calculator
- real calculator
- scientific calc
- hp15c


## HP15C Available In
- [United States](https://apptail.io/app/hp15c-scientific-calculator-upTu/united-states)
- [Thailand](https://apptail.io/app/hp15c-scientific-calculator-upTu/thailand)
- [Netherlands](https://apptail.io/app/hp15c-scientific-calculator-upTu/netherlands)
- [Bulgaria](https://apptail.io/app/hp15c-scientific-calculator-upTu/bulgaria)
- [Bahrain](https://apptail.io/app/hp15c-scientific-calculator-upTu/bahrain)
- [Brunei](https://apptail.io/app/hp15c-scientific-calculator-upTu/brunei)
- [Belarus](https://apptail.io/app/hp15c-scientific-calculator-upTu/belarus)
- [Canada](https://apptail.io/app/hp15c-scientific-calculator-upTu/canada)
- [Switzerland](https://apptail.io/app/hp15c-scientific-calculator-upTu/switzerland)
- [China](https://apptail.io/app/hp15c-scientific-calculator-upTu/china)
- [Colombia](https://apptail.io/app/hp15c-scientific-calculator-upTu/colombia)
- [Cyprus](https://apptail.io/app/hp15c-scientific-calculator-upTu/cyprus)
- [Czechia](https://apptail.io/app/hp15c-scientific-calculator-upTu/czechia)
- [Dominican Republic](https://apptail.io/app/hp15c-scientific-calculator-upTu/dominican-republic)
- [Ecuador](https://apptail.io/app/hp15c-scientific-calculator-upTu/ecuador)
- [Estonia](https://apptail.io/app/hp15c-scientific-calculator-upTu/estonia)
- [Egypt](https://apptail.io/app/hp15c-scientific-calculator-upTu/egypt)
- [Spain](https://apptail.io/app/hp15c-scientific-calculator-upTu/spain)
- [Finland](https://apptail.io/app/hp15c-scientific-calculator-upTu/finland)
- [France](https://apptail.io/app/hp15c-scientific-calculator-upTu/france)
- [United Kingdom](https://apptail.io/app/hp15c-scientific-calculator-upTu/united-kingdom)
- [Grenada](https://apptail.io/app/hp15c-scientific-calculator-upTu/grenada)
- [Greece](https://apptail.io/app/hp15c-scientific-calculator-upTu/greece)
- [Hong Kong SAR China](https://apptail.io/app/hp15c-scientific-calculator-upTu/hong-kong)
- [Hungary](https://apptail.io/app/hp15c-scientific-calculator-upTu/hungary)
- [Indonesia](https://apptail.io/app/hp15c-scientific-calculator-upTu/indonesia)
- [Israel](https://apptail.io/app/hp15c-scientific-calculator-upTu/israel)
- [India](https://apptail.io/app/hp15c-scientific-calculator-upTu/india)
- [Iceland](https://apptail.io/app/hp15c-scientific-calculator-upTu/iceland)
- [Italy](https://apptail.io/app/hp15c-scientific-calculator-upTu/italy)
- [Japan](https://apptail.io/app/hp15c-scientific-calculator-upTu/japan)
- [South Korea](https://apptail.io/app/hp15c-scientific-calculator-upTu/south-korea)
- [Kuwait](https://apptail.io/app/hp15c-scientific-calculator-upTu/kuwait)
- [Cayman Islands](https://apptail.io/app/hp15c-scientific-calculator-upTu/cayman-islands)
- [Kazakhstan](https://apptail.io/app/hp15c-scientific-calculator-upTu/kazakhstan)
- [Lebanon](https://apptail.io/app/hp15c-scientific-calculator-upTu/lebanon)
- [Sri Lanka](https://apptail.io/app/hp15c-scientific-calculator-upTu/sri-lanka)
- [Luxembourg](https://apptail.io/app/hp15c-scientific-calculator-upTu/luxembourg)
- [Latvia](https://apptail.io/app/hp15c-scientific-calculator-upTu/latvia)
- [Madagascar](https://apptail.io/app/hp15c-scientific-calculator-upTu/madagascar)
- [Malaysia](https://apptail.io/app/hp15c-scientific-calculator-upTu/malaysia)
- [Norway](https://apptail.io/app/hp15c-scientific-calculator-upTu/norway)
- [New Zealand](https://apptail.io/app/hp15c-scientific-calculator-upTu/new-zealand)
- [Philippines](https://apptail.io/app/hp15c-scientific-calculator-upTu/philippines)
- [Pakistan](https://apptail.io/app/hp15c-scientific-calculator-upTu/pakistan)
- [Poland](https://apptail.io/app/hp15c-scientific-calculator-upTu/poland)
- [Portugal](https://apptail.io/app/hp15c-scientific-calculator-upTu/portugal)
- [Paraguay](https://apptail.io/app/hp15c-scientific-calculator-upTu/paraguay)
- [Qatar](https://apptail.io/app/hp15c-scientific-calculator-upTu/qatar)
- [Romania](https://apptail.io/app/hp15c-scientific-calculator-upTu/romania)
- [Russia](https://apptail.io/app/hp15c-scientific-calculator-upTu/russia)
- [Saudi Arabia](https://apptail.io/app/hp15c-scientific-calculator-upTu/saudi-arabia)
- [Sweden](https://apptail.io/app/hp15c-scientific-calculator-upTu/sweden)
- [Singapore](https://apptail.io/app/hp15c-scientific-calculator-upTu/singapore)
- [Slovenia](https://apptail.io/app/hp15c-scientific-calculator-upTu/slovenia)
- [Slovakia](https://apptail.io/app/hp15c-scientific-calculator-upTu/slovakia)
- [Türkiye](https://apptail.io/app/hp15c-scientific-calculator-upTu/turkey)
- [Taiwan](https://apptail.io/app/hp15c-scientific-calculator-upTu/taiwan)
- [Ukraine](https://apptail.io/app/hp15c-scientific-calculator-upTu/ukraine)
- [Uzbekistan](https://apptail.io/app/hp15c-scientific-calculator-upTu/uzbekistan)
- [Armenia](https://apptail.io/app/hp15c-scientific-calculator-upTu/armenia)
- [Vietnam](https://apptail.io/app/hp15c-scientific-calculator-upTu/vietnam)
- [Austria](https://apptail.io/app/hp15c-scientific-calculator-upTu/austria)
- [Australia](https://apptail.io/app/hp15c-scientific-calculator-upTu/australia)

---

## 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*