RPN-45 SD

WP 34s

Pascal Meheut

Productivity

WP 34s is the most powerful and complete implementation of a classic RPN scientific calculator.

Uno Calculator

Calculate, convert, and measure with precision

Uno Platform Inc.

Productivity

Perform 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.

Calculator 42 with History PRO

Nikolay Donets

Productivity

Calculator 42 is a handy free calculator for simple calculations. All calculations are saved in a calculation log. Results and expressions from the journal can be used in new calculations or copied to other applications.

Calca

Krueger Systems, Inc.

Productivity

Calca is a powerful symbolic calculator that gives you instant answers as you type. It solves equations and simplifies complex expressions - it's a computer algebra system in your pocket! It's also a rich Markdown text editor so that you can explain your ideas alongside your calculations.

QR Scanner: Scan Store Create

QR codes and generate new ones

Thumbmagic Labs LLP

Productivity

Generate QR codes by entering text, URLs, or contact info. QR codes using the iPhone camera or gallery images. View scanned data instantly. Share or save QR codes directly. Edit code size and color for customization.

IP Keypad - Subnet Calculator

Takahiro Furuya

Productivity

This app is a subnet calculator. -Dedicated keypad. -Pickers for subnet mask and prefix length. -Calculate addresses (network,host,directed broadcast).

Mathpix Snip

Convert handwriting to editable Markdown

Mathpix, Inc.

Productivity

Convert handwritten notes to editable Markdown and export to DOCX, LaTeX, or PDF. Create searchable PDFs using camera input with adjustable filters. Edit and annotate documents, then share or download them across devices.

Scan PDF－Convert Document

Ravi chandran M

Productivity

Scan PDF －Convert Document is your ultimate document management tool! Transform your Phone into a powerful scanner app for documents and enjoy seamless scanning, merging, and organizing.  Start with a 3-day free trial and unlock all features for just $9.99 per month after the trial.

RPN-65 SD

Willy Kunz

Productivity

World's first pocket computer! Now running on your iPhone. RPN-65 SD is the iPhone version of RPN-65 Pro, the first complete simulation of Hewlett-Packard's stunning HP-65 programmable calculator for iOS.

i41CX

Calculate with RPN and scientific functions

Antonio Lagana

Productivity

Perform 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.

RPN-34 CE

Simulate HP-34C calculator

Willy Kunz

Productivity

Simulate the HP-34C calculator with photo-realistic graphics. Perform integration and root finding calculations. Access extended functions and improved speed. Navigate using on-screen buttons and keyboard input. Save and recall values.

RPN-70 HD

Willy Kunz

Productivity

RPN-70 HD is a complete, photo-realistic simulation of the financial hand-held calculator HP-70 from 1974.

RPN-67 Pro

Willy Kunz

Productivity

A 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.

RPN-35 SD

Willy Kunz

Productivity

On 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.

AI Companion - Invisioned

Herrs J Holdens LLC

Productivity

Invisioned: 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.

WP 31s

Pascal Meheut

Productivity

WP 31s is a classic RPN scientific calculator based on the powerful but more complex WP 34s.

Calcsmos: Calculator

First Water Technologies Ltd

Productivity

Calcsmos is a minimal yet powerful calculator for your daily use, with: - Very customizable for the layout, color, style and theme. - Calculation History. - Dynamic value editing and partial deletion. - Multiple spaces for different tasks. - iCloud Sync supports. - Many useful overlays like tip...