Curated apps similar to RPN-45 HD, ranked by relevance and user ratings.
Calculate, log, and reuse results
Nikolay Donets
Productivity
Allows users to perform basic arithmetic operations including addition, subtraction, multiplication, and division. It supports percentages, parentheses, and expression editing.
HiThink Financial Services Inc.
Productivity
Your ultimate Scanner App.
Pascal Meheut
Productivity
WP 34s is the most powerful and complete implementation of a classic RPN scientific calculator.
Calculate, convert, and measure with precision
Uno Platform Inc.
ProductivityPerform calculations, convert units of measurement, and switch between different calculation modes. Input values, select formulas, and view results. Track history and manage multiple calculation sessions.
Calculate, record, and share results
良峰 侯
ProductivityPerform calculations with live voice input. Use an ergonomic key layout with an extra large "+" key and backspace function. Copy and send results via email. Support dark mode and retina display on all iPads and iPhones. Track usage history.
Herrs J Holdens LLC
ProductivityInvisioned: The Ultimate AI Companion -Web search and GPT4.1 now available. Unlock your very own artificial intelligence with Invisioned. your free, all-in-one AI app powered by GPT-4, GPT-4o, Dall e, Stable Diffusion, and different AI technology.
Willy Kunz
ProductivityA dream calculator of the 70's, priced at $1,900 in today's dollars, now on your iPad! RPN-67 Pro is the first complete simulation of Hewlett-Packard's legendary HP-67 programmable calculator for iOS.
Simulate HP-65 calculator
Willy Kunz
ProductivitySimulate a programmable calculator with input. Run HP-65 programs, store and retrieve data from magnetic cards. View and edit calculator memory. Access historical documentation and user guides.
Enter expressions and calculate results
Eric Roller
ProductivityIs a programmable scientific calculator with a dynamic stack display. Users can input numbers and operations using reverse-polish notation. The display expands automatically as more values are added, and users can swipe to view additional lines.
Willy Kunz
ProductivityOn January 4, 1972, Hewlett-Packard announced the HP-35, world's first scientific calculator small enough to fit in a pocket - more precisely, Bill Hewlett's shirt-pocket. The HP-35 was an immediate hit with students, engineers, and scientists.
Calculate with RPN and scientific functions
Antonio Lagana
ProductivityPerform complex calculations using RPN input. Access a wide range of scientific and programming functions. Customize skins and adjust key feedback settings. Input and edit equations with precise control. Save and retrieve programs for repeated use.
Track goals, habits, and activities
Glasshouse Studio, LLC
ProductivityTrack time spent on tasks, goals, and habits with customizable timers. Log focused work sessions, measure activities by weight, distance, or volume. Set reminders, view progress charts, and sync data across devices.
Simulate HP-38C calculator operations
Willy Kunz
ProductivitySimulate the HP-38C calculator with real-time input and output. Perform financial calculations, program custom functions, and use reverse Polish notation. Supports HP-12C compatibility for most operations.
Shanghai Quentin network technology co. LTD
Productivity全能录音机是一款语音转文字的录音工具。写文章、采访录音、会议记录、笔记整理、日常记事的必备神器，边说边记，实现高效速记。 全能录音机可以做什么？ 一边说话一边就可以将语音转成文字，同时保存原始音频和文字。支持普通话识别，录音不限时长，准确率高。 【功能特点】 - 不限时长高质量录音 - 极速录音转文字，准确率高 - 支持后台录音、录音剪辑、重点标注 - 把文字/录音导出到邮箱、网盘、QQ、微信…… - 支持WIFI电脑端下载录音文件，支持itunes工具导出录音文件。 【使用人群】 - 记者：采访、谈话录音转文字，一边听录音一边整理新闻稿。 -...
Willy Kunz
ProductivityRPN-32 CE is the first photo-realistic simulation of Hewlett-Packard's popular mid-range scientific calculator HP-32E for the iPhone.
Track trades and view PnL summaries
AlphaBat j.d.o.o.
ProductivityTrack trading performance with PnL calendar views for weekly, monthly, yearly, and all-time periods. Log PnL and trade count quickly. Calculate win rate, profit factor, expectancy, average PnL, and drawdown.
Message contacts and check availability
Electric Power Board
ProductivityMake and receive voice calls using a business phone number. Check contact availability and send instant messages to individuals, groups, or departments. Integrate voice telephony with other communication tools in a unified interface.
Willy Kunz
ProductivityWorld's first pocket computer! Now running on your iPad. RPN-65 Pro is the first complete simulation of Hewlett-Packard's stunning HP-65 programmable calculator for iOS. Produced from 1974 to 1977 at an initial price of $795 (that's more close to $5,000 today!), the HP-65 was a breakthrough.
Vatche Sahakian
ProductivityA unique and powerful calculator and convertor that adapts to your needs; and with full Apple Watch support. Use your voice or the custom keyboard to input calculations and unit conversions easily and quickly. Mix units, parentheses, math functions in a single computation.
Pascal Meheut
ProductivityWP 31s is a classic RPN scientific calculator based on the powerful but more complex WP 34s.
App information from Apple App Store. RPN-45 HD and related trademarks belong to Willy Kunz.